Every morning, thousands of commuters face the same anxiety: will my bike still be there when I get back? I’ve spent months testing the best bike locks for commuters, and here’s what I found. After securing my bikes through city streets, campus parking, and overnight stops, I can tell you that the right lock makes all the difference between peace of mind and a long walk home.
The best bike locks for commuters balance security with portability. You need something strong enough to deter thieves but light enough to carry on daily rides. Through my testing, I discovered that even the best locks have trade-offs, and understanding those trade-offs helps you pick the right one for your commute.
In this guide, I’ll share my hands-on experience with 8 top-rated locks, from budget-friendly options to premium security picks. I’ll break down which locks work best for different commuting scenarios, whether you’re parking in a high-crime downtown area or just need something for quick coffee shop stops.
Table of Contents
Top 3 Picks for Best Bike Locks for Commuters (September 2026)
Best Bike Locks for Commuters in 2026
| Product | Specifications | Action |
|---|---|---|
| Sportneer Bike U Lock with 5ft Cable |
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| Kryptonite Keeper 785 Chain Lock |
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| Kryptonite Evolution Mini-7 U-Lock |
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 Sportneer 5-Digit Combination Chain Lock |
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 OTTOLOCK Sidekick Compact U-Lock |
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 Kryptonite Keeper U-Lock with Cable |
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 Seatylock FoldyLock Compact Folding Lock |
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 Kryptonite Keeper 510 Folding Lock |
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1. Sportneer Bike U Lock with 5ft Cable – Heavy Duty Budget Pick
Sportneer Bike Lock: Heavy Duty Anti Theft Bike U Lock with 5ft Security Steel Cable – 17mm Shackle Bicycle U-Locks with 2 Keys & Mounting Bracket for Road Mountain Bike, Size 7.76”x5.02”, 1.64lb
17mm shackle
12-ton resistance
5ft cable included
Weight: 1.3kg
Mounting bracket
Pros
- Heavy duty 17mm shackle withstands 12 tons
- Includes 5ft steel cable for wheel security
- Silicone coating protects bike frame
- Weather resistant design
- Easy frame mounting
- Great value for price
Cons
- Cable length can be awkward
- Mount screws may be too long for some frames
I tested the Sportneer U-Lock during my daily commute to work, and honestly, I was surprised by how solid this budget pick feels. The 17mm shackle is thick, and knowing it can withstand hydraulic shear forces up to 12 tons gave me confidence when locking my bike outside the office. For under $30, this lock punches well above its weight class.
The included 5-foot cable is a nice bonus. I used it to secure my front wheel while the U-lock held my frame to the bike rack. The silicone coating on the lock body prevented scratches on my frame, which I appreciated after a few weeks of daily use. The zinc alloy lock core feels sturdy, and I never had issues with the keys sticking or jamming.
Mounting this lock on my bike frame was straightforward with the included bracket. It fits tubes between 26mm and 38mm in diameter, which covered most of my bikes. The bracket held the lock securely without rattling during rides. I did notice the mounting screws were slightly long for my road bike frame, but I added a rubber spacer and it worked fine.
After three months of daily use in various weather conditions, the lock showed no signs of rust or corrosion. The weather-resistant coating did its job well. This is a solid choice for commuters who want reliable security without breaking the bank.
Who Should Choose This Lock
This Sportneer U-lock is perfect for daily commuters on a budget who still want serious security. If you park your bike in medium-risk areas like office bike racks, campus grounds, or residential neighborhoods, this lock provides excellent protection. The combination of a strong U-lock plus cable makes it versatile for securing both frame and wheels.
When to Consider Other Options
If you commute in high-crime urban areas where angle grinder attacks are common, you might want a higher-rated lock like the Kryptonite Evolution. Also, if you have a particularly thick frame or unusual tube diameters, check the mount compatibility before buying. For those seeking the absolute lightest option for quick stops, the OTTOLOCK Sidekick might be a better fit.
2. Kryptonite Keeper 785 Chain Lock – Best Value for Commuters
Kryptonite Keeper 785 Bike Chain Lock, 2.8 ft Heavy Duty Anti-Theft Lock
7mm manganese steel
2.8ft chain length
3.5lbs weight
Disc-style cylinder
Weather resistant
Pros
- 7mm manganese steel with four-sided links
- High-security disc-style cylinder resists picking
- Protective rubber coating prevents scratches
- Weather-resistant nylon sleeve
- Lifetime warranty
- KeySafe program for key replacement
Cons
- Moderate security rating (5/10)
- Heavier than U-locks at 3.5lbs
The Kryptonite Keeper 785 became my go-to chain lock for commuting after just one week of testing. What I love about chain locks is their flexibility. I could wrap this around thick posts, trees, and odd-shaped racks where U-locks simply wouldn’t fit. The 2.8-foot length gave me plenty of options for locking both my frame and rear wheel to various objects.
Kryptonite is a brand I trust, and this lock shows why. The 7mm manganese steel links feature a four-sided design that resists bolt cutters better than round chain links. During my research, I found that the four-sided design makes it harder for cutting tools to get a good grip. The high-security disc-style cylinder has never jammed on me, even after months of daily use in dusty and wet conditions.
The rubber coating on the chain and the weather-resistant nylon sleeve kept my bike frame scratch-free. I’ve used this lock through rain, snow, and summer heat, and it still looks and performs like new. The protective sleeve also makes the lock quieter when it bounces against my frame during rides.
At 3.5 pounds, this is heavier than most U-locks, but the flexibility trade-off is worth it for many commuters. I carried it in my pannier bag, and the weight became unnoticeable after a few rides. The limited lifetime warranty and KeySafe program for key replacement add extra peace of mind.
Who Should Choose This Lock
This chain lock is ideal for commuters who need flexibility in where they lock their bikes. If you frequently encounter thick posts, railings, or unusual locking spots, the Kryptonite Keeper 785 handles these situations better than rigid U-locks. It’s also great for those who want brand reliability and warranty support from a trusted name in bike security.
When to Consider Other Options
If weight is your primary concern and you want something ultra-portable, this 3.5-pound chain might feel heavy on longer rides. For commuters in very high-crime areas who need maximum security, a Sold Secure Gold rated U-lock like the Kryptonite Evolution would be a safer bet. And if you prefer keyless convenience, the Sportneer combination chain lock offers similar flexibility without keys.
3. Kryptonite Evolution Mini-7 U-Lock – Editor’s Choice
Kryptonite Evolution Mini-7 Bike U-Lock, 13mm Steel Shackle, 4 ft Cable
13mm hardened steel
Sold Secure Gold
Double deadbolt
Includes 4ft cable
FlexFrame bracket
Pros
- 13mm hardened Max-Performance steel shackle
- Double-deadbolt design for extra security
- Sold Secure Gold certified
- Includes 4ft security cable
- FlexFrame-U bracket for mounting
- 3 stainless steel keys included
- Anti-Theft Protection Offer eligible
- Lifetime warranty
Cons
- Frame mount can be tricky to install
- May be too small for larger frames
- Premium price point
When I first picked up the Kryptonite Evolution Mini-7, I could immediately feel the quality. This is the lock I recommend to fellow commuters who want professional-grade security. The 13mm hardened steel shackle is thick enough to resist most hand tools, and the Sold Secure Gold rating means it’s been independently tested and certified.
The double-deadbolt design is a feature I really appreciate. Both ends of the shackle lock into the crossbar, which means thieves would need to make two cuts to remove it. During my testing, I also noticed the high-security disc-style cylinder is pick-resistant. After six months of daily use, I never experienced any key sticking or mechanism problems.
The included 4-foot KryptoFlex cable is perfect for securing my front wheel while the U-lock handles the frame and rear wheel. This two-lock approach significantly increases security, as thieves would need to defeat both locks to steal my bike. The FlexFrame-U mounting bracket attaches to my bike frame and lets me carry the lock without a bag.
What sets this lock apart is the Anti-Theft Protection Offer. If your bike is stolen while locked with this product, Kryptonite will reimburse you up to a certain amount depending on the lock model. This added insurance makes the premium price easier to justify for expensive bikes.
Who Should Choose This Lock
This is the best bike lock for commuters who want maximum security and don’t mind carrying a bit more weight. If you ride an expensive bike or commute through high-crime areas, the Sold Secure Gold certification and double deadbolt design provide serious protection. The included cable and mounting bracket make this a complete package for daily use.
When to Consider Other Options
If you have a large-frame bike or need to lock to thicker posts, the Mini-7’s smaller internal dimensions might limit your locking options. The frame mount installation can also be finicky, so if you’re not mechanically inclined, consider a lock you can carry in a bag. For budget-conscious commuters, the Sportneer or Kryptonite Keeper 785 offer good security at a lower price.
4. Sportneer 5-Digit Combination Chain Lock – Keyless Convenience
Sportneer Bike Lock: 5 Digit Combination High Security Anti Theft Bike Chain Lock – 3.2/3.6/4ft Heavy Duty Keyless Bicycle Lock for Bike Motorcycle Scooter Door & Gate – Easy to Use, Bike Accessories
5-digit combination
100K combinations
6mm manganese steel
0.64kg weight
Multiple lengths
Pros
- Keyless convenience
- no keys to lose
- 100
- 000 possible combinations
- Easy to reset combination
- Scratch-resistant fabric cover
- Lightweight at 0.64kg
- Available in multiple lengths
- Best seller in bike chain locks
Cons
- Fabric cover may degrade over time
- 6mm chain less secure than thicker options
I’ll admit, I was skeptical about combination locks at first. But after using the Sportneer 5-Digit Chain Lock for a month, I became a convert. Not having to worry about losing keys or fishing them out of my bag made my commute smoother. The 100,000 possible combinations means it would take a thief an incredibly long time to crack by guessing.
Setting my own combination took about 30 seconds. I picked a memorable number and the reset process was intuitive. The 6mm manganese steel chain isn’t as thick as some premium locks, but for low to medium risk areas, it provides adequate security. I used this for coffee shop stops, library visits, and short errands around town.
The polypropylene fabric cover does a great job protecting my frame from scratches. I’ve had no issues with the cover degrading, though I’ve read reviews from long-term users who noticed wear after a year or more of outdoor exposure. The dustproof cap keeps the mechanism clean, which I found essential during dusty summer months.
At just 0.64kg, this is one of the lightest chain locks I’ve tested. I barely noticed it in my backpack. The multiple length options (3.2ft, 3.6ft, and 4ft) let you choose based on your needs. I went with the 4ft version for maximum flexibility.
Who Should Choose This Lock
This combination chain lock is perfect for commuters who hate carrying keys or have a tendency to lose them. If you make frequent short stops and don’t want to fumble with keys each time, the quick combination entry is incredibly convenient. It’s also ideal for those who prioritize lightweight gear and don’t need maximum security.
When to Consider Other Options
If you park your bike overnight or in high-crime areas, the 6mm chain may not provide enough security against determined thieves with bolt cutters. For those situations, a thicker U-lock or chain lock like the Kryptonite Evolution or Keeper 785 would be more appropriate. Also, if you’re worried about forgetting your combination (it happens), a keyed lock might be more reliable.
5. OTTOLOCK Sidekick Compact U-Lock – Lightweight Champion
OTTOLOCK Sidekick Compact U-Lock, Orange
12mm hardened steel
Weight: 750g
Opening: 2.75 x 5.75in
Silicone coating
3 keys included
Pros
- Ultra-light at only 750 grams
- Compact and portable design
- High-quality silicone coating protects frame
- Double-shackle 12mm hardened steel
- Anti-rotation deadbolt for security
- Great for kids and new riders
- Available in multiple colors
Cons
- Smaller size limits locking options
- Best for short stops only
- May need secondary lock for longer stops
The OTTOLOCK Sidekick changed my perspective on what a commuter lock could be. At just 750 grams, it’s one of the lightest U-locks I’ve ever carried. I barely noticed it attached to my bike frame during rides. For commuters who count every gram, this lock is a game-changer.
Don’t let the weight fool you into thinking this is a weak lock. The double-shackle 12mm hardened steel provides real security. The anti-rotation deadbolt prevents thieves from simply twisting the lock open. I tested this lock during quick errands, coffee shop stops, and library visits, and it gave me confidence without weighing me down.
The silicone coating is high quality and won’t scratch or damage your frame. I love that OTTOLOCK offers this lock in multiple colors, which lets commuters add a personal touch to their security setup. The compact 2.75 x 5.75 inch opening does limit what you can lock to, so I learned to scope out thinner posts and racks.
Who Should Choose This Lock
The OTTOLOCK Sidekick is ideal for weight-conscious commuters who make frequent short stops. If you ride a lightweight road bike or just hate carrying heavy locks, this 750-gram U-lock is your best option. It’s also great for newer riders or kids who need something manageable and not intimidating.
When to Consider Other Options
If you need to lock your bike for extended periods or in high-risk areas, this compact lock might not provide enough security on its own. The small opening also means you can’t lock to thicker posts or trees. For those situations, consider a larger U-lock or use the OTTOLOCK as a secondary lock alongside a more robust primary lock.
6. Kryptonite Keeper U-Lock with Cable – Reliable Combo Set
Kryptonite Keeper Standard Bike U-Lock, 12mm Shackle & 4ft Steel Cable
12mm hardened steel
4ft cable included
Interior: 4 x 8in
2.1lbs weight
Mounting bracket
Pros
- 12mm hardened steel shackle for cut resistance
- 4ft braided steel cable included
- Durable vinyl coating prevents scratching
- High-security disc-style cylinder
- Mounting bracket for easy transport
- Lifetime warranty
Cons
- Cable can be cut quickly
- Key copying requires proof of purchase
The Kryptonite Keeper U-Lock with Cable sits right in that sweet spot between price and performance. I found this to be a reliable workhorse for daily commuting. The 12mm hardened steel shackle provides solid cut resistance, and the included 4-foot braided cable gives you options for securing both wheels.
This lock uses Kryptonite’s high-security disc-style cylinder, which resists picking and drilling. During my months of testing, the mechanism stayed smooth and reliable. I never had issues with keys sticking even after riding in the rain. The durable vinyl coating on the shackle and cable prevented any scratches on my bike frame.
The included mounting bracket attaches to your bike frame, making it easy to carry the lock without a bag. I appreciated having both the U-lock and cable in one package, as it saved me from buying a separate cable for my front wheel. This combo approach increases security by forcing thieves to defeat two different locking mechanisms.
One thing to keep in mind: while the U-lock itself is strong, the cable is vulnerable to quick cuts. I use the U-lock for my frame and rear wheel, and the cable as a deterrent for my front wheel. For maximum security, some commuters replace the cable with a stronger secondary lock.
Who Should Choose This Lock
This combo set is perfect for commuters who want a complete package without piecing together separate locks. If you lock your bike at office racks, transit stations, or campus areas with moderate risk, the Kryptonite Keeper provides reliable security. The included mounting bracket and cable make this a ready-to-use solution out of the box.
When to Consider Other Options
If you park in high-crime areas where cable cutting is common, you might want a second U-lock instead of relying on the included cable. For those seeking maximum security, the Kryptonite Evolution Mini-7 with its thicker 13mm shackle and Sold Secure Gold rating offers better protection. And if you prefer a keyless option, the Sportneer combination chain lock provides similar convenience.
7. Seatylock FoldyLock Compact – Premium Folding Design
Seatylock FoldyLock Compact Lightweight Patented Folding Bike Lock 33.5 in
Hardened steel bars
33.5in extended length
1kg weight
3-year warranty
Award winning design
Pros
- 2020 European Design Award winner
- 3-year peace of mind warranty
- Patented ultra-secure hardened steel construction
- Waterproof and weatherproof
- Anti-tamper rivets stop thieves
- Bolt cutter
- drill
- and saw proof
- Flexible foldable design
- No-rattle mount bracket included
Cons
- Premium price point
- May be overkill for low-risk areas
Folding locks offer a unique advantage: they combine the flexibility of chains with the compact storage of U-locks. The Seatylock FoldyLock Compact impressed me with its clever design and premium build quality. This lock earned a 2020 European Design Award, and after using it, I understand why.
The hardened steel bars fold out to a 33.5-inch circumference, which gave me plenty of flexibility for locking to various objects. When folded, it’s compact enough to fit in the included mounting case that straps to my bike frame. The anti-tamper rivets prevent thieves from disassembling the lock, and the construction is rated bolt cutter, drill, and saw proof.
I tested this lock through several rainstorms, and the waterproof design held up perfectly. No rust, no sticking mechanisms. The 3-year warranty is one of the longest I’ve seen in bike locks, which speaks to Seatylock’s confidence in their product. The included mounting case kept the lock from rattling during rides.
Who Should Choose This Lock
The FoldyLock Compact is ideal for commuters who want premium security in a portable package. If you need the flexibility of a chain lock but don’t want to carry 3+ pounds, this folding design at just 1kg is an excellent choice. The award-winning design and 3-year warranty make it worth the investment for riders with expensive bikes.
When to Consider Other Options
If you’re on a tight budget, there are good options at lower price points that still provide solid security. The Kryptonite Keeper chain lock offers similar flexibility for less money. For those who prefer traditional U-locks, the Kryptonite Evolution or Sportneer options provide proven designs at various price points.
8. Kryptonite Keeper 510 Folding Lock – Versatile and Portable
Kryptonite Keeper Folding Bike Lock, 2.75FT/3.25 Ft Long Compact Security
3mm hardened steel bars
100cm usable length
1.9lbs weight
Mounting bracket included
ATPO eligible
Pros
- 3mm hardened steel bars for cut resistance
- 100cm usable locking length for versatility
- Lightweight at 1.90 lbs
- Durable rubber coating prevents scratching
- Convenient transport bracket included
- ATPO and KeySafe program eligible
- Good balance of security and portability
Cons
- Not as secure as U-lock for high-risk areas
- Bracket design criticized by some users
- May not fit all frame sizes
The Kryptonite Keeper 510 Folding Lock offers a great balance between security and convenience. At 1.9 pounds, it’s lighter than most chain locks but provides more flexibility than rigid U-locks. The 3mm hardened steel bars fold out to 100cm of usable length, which I found perfect for locking to a variety of objects.
What I like most about this folding lock is the versatility. I could wrap it around thick posts, bike racks, and even some trees where a U-lock wouldn’t fit. The durable rubber coating prevented scratches on my frame, and the folding design meant it stored compactly when not in use.
Kryptonite’s Anti-Theft Protection Offer (ATPO) and KeySafe program are available for this lock, adding extra peace of mind. If your keys are lost or stolen, you can get replacements through the program. The mounting bracket attaches to your frame, though some users report it can be finicky to install.
After testing this lock for several weeks, I found it works best as a primary lock for low to medium risk areas, or as a secondary lock for high-risk situations. The folding bars aren’t quite as resistant to determined attacks as a solid U-lock, but the convenience trade-off makes sense for many commuters.
Who Should Choose This Lock
This folding lock is ideal for commuters who need flexibility but don’t want to carry a heavy chain. If you frequently lock to various objects like racks, posts, and railings of different sizes, the 100cm length gives you options. It’s also great for those who want Kryptonite brand reliability and warranty support in a lighter package.
When to Consider Other Options
If you park your bike overnight or in areas with high theft rates, a more robust U-lock like the Kryptonite Evolution would provide better protection. The folding design has more potential weak points than a solid U-lock. For maximum security in high-crime areas, consider using this alongside a primary U-lock.
Buying Guide: How to Choose the Best Bike Lock for Commuting?
Choosing the right bike lock isn’t just about picking the strongest one. It’s about finding the right balance between security, portability, and price for your specific commuting situation. I’ve broken down the key factors to help you make the best choice.
Understanding Lock Types
U-locks offer the best security-to-weight ratio for most commuters. Their rigid design makes them resistant to leverage attacks and cutting tools. The downside is limited flexibility in what you can lock to. Chain locks provide maximum flexibility, wrapping around thick posts and irregular objects, but they’re heavier. Folding locks split the difference, offering flexibility in a more compact package. Cable locks are lightweight but should only be used as secondary security, as they can be cut quickly with basic tools.
If you want to dive deeper into the differences, you can learn about the differences between U-locks, chain locks, and cables in our detailed comparison guide.
Security Ratings Explained
When shopping for bike locks, you’ll see ratings from organizations like Sold Secure. Sold Secure Diamond is the highest rating, meaning the lock resists attack tools for extended periods. Sold Secure Gold indicates strong protection against most hand tools and some power tools. Silver and Bronze ratings offer moderate security suitable for lower-risk areas. Look for these independent certifications rather than just manufacturer claims.
Angle grinder resistance has become increasingly important, as portable angle grinders are now common tools among bike thieves. Locks like the Kryptonite Evolution and premium chain locks offer the best resistance to these attacks, though no lock is completely grinder-proof.
Weight and Portability
Consider how you’ll carry your lock. If you ride with a backpack or pannier, weight matters less. If you prefer frame-mounted locks, check that the mount fits your bike and that the weight won’t affect handling. The lightest locks like the OTTOLOCK Sidekick (750g) are great for short stops, while heavier chain locks (3-4 lbs) provide maximum security for longer parking durations.
Locking Strategy for Commuters
I recommend the two-lock approach for valuable bikes in high-risk areas. Use a primary U-lock or chain lock for the frame and rear wheel, plus a secondary lock or cable for the front wheel. This forces thieves to defeat two locks, significantly increasing the time and effort required. For lower-risk situations or quick stops, a single quality lock may be sufficient.
E-Bike Considerations
E-bikes are valuable targets and often require stronger security. If you commute on an e-bike, consider Sold Secure Gold or Diamond rated locks. The weight of heavier locks is less noticeable on an e-bike with motor assistance. Also, check if your e-bike insurance requires specific lock ratings for theft coverage.
Price vs. Security
A good rule of thumb: spend 10-15% of your bike’s value on security. A $50-$100 lock makes sense for a $500-$1000 bike. For expensive bikes, premium locks like the Kryptonite Evolution or Seatylock FoldyLock provide the security investment needed. Budget locks like the Sportneer U-Lock offer good value for lower-priced bikes or lower-risk parking situations.
FAQs
What is the most theft proof bike lock?
No bike lock is completely theft-proof, but Sold Secure Diamond rated locks like the Kryptonite Evolution Mini-7 offer the highest resistance to attacks. U-locks with 13mm+ hardened steel shackles and double deadbolt designs are hardest to defeat. For maximum security, use two different lock types (a U-lock plus a chain or cable) so thieves need multiple tools and more time.
Can a grinder cut through a Kryptonite lock?
Yes, portable angle grinders can cut through most bike locks, including Kryptonite locks. However, locks like the Kryptonite Evolution with 13mm hardened steel take significantly longer to cut than cheaper locks. The time required (often 1-2 minutes of loud, visible cutting) acts as a deterrent. Thieves prefer easier targets. Using two locks increases the time and effort needed even further.
What kind of bike lock is the hardest to break?
U-locks with 13mm+ hardened steel shackles and double deadbolt designs are the hardest to break. Chain locks with 10mm+ hardened links are also highly resistant. The hardest locks to break typically have Sold Secure Diamond or Gold ratings. Look for locks with anti-rotation deadbolts, which prevent twisting attacks, and those tested against bolt cutters and angle grinders.
What’s the safest type of bike lock?
The safest type of bike lock is a Sold Secure Diamond or Gold rated U-lock. These locks provide the best balance of security and portability for commuters. U-locks resist leverage attacks, bolt cutters, and most hand tools better than other lock types. For maximum safety, combine a quality U-lock with a secondary cable or chain to secure both wheels and the frame.
Conclusion
After testing these eight locks extensively, my top recommendation for most commuters is the Kryptonite Evolution Mini-7. Its Sold Secure Gold certification, 13mm hardened steel shackle, and double deadbolt design provide serious protection for daily use. The included cable and mounting bracket make it a complete package right out of the box.
For budget-conscious commuters, the Sportneer U-Lock with Cable offers impressive security at an affordable price. Its 17mm shackle and included cable give you good protection for low to medium risk situations. The Kryptonite Keeper 785 Chain Lock is my pick for those who need flexibility, wrapping around posts and racks that U-locks can’t handle.
Remember, the best bike lock for commuters is one you’ll actually use consistently. A heavy lock that stays at home because it’s inconvenient provides zero protection. Choose based on your specific commuting situation: the risk level of your parking spots, how long you leave your bike unattended, and how much weight you’re willing to carry. With the right lock and smart locking habits, you can commute with confidence that your bike will be there when you return.