Durable; glad I bought
Very sturdy Good length Easy to set for your lock code. Would recommend Read more
Topcrown
Bike Chain Lock 3 2Ft Long High Security Heavy Duty Anti Theft 5 Digit Combination Resettable Keyless Bicycle
$9.99$18.99
sizeS
About this item
- Basic Series --- The Topcrown Basic Series bike chain lock is 3.2 feet long, weighing approximately 1.45 pounds. It is crafted from a 0.24 inch/6 mm thick alloy steel chain and is available in more than 10 colors. The Basic Series products are designed to meet essential performance requirements while also offering cost-effectiveness
- 5-Digit Combination --- Our bike chain lock provides heightened security with its 5-digit combination lock design. With over 100,000 possible combinations, it surpasses the standard 4-digit locks in terms of safety and convenience
- Resetting is Simple --- The default password is "00000". To set a new password, just rotate the knob 90° to input your desired code, then move back the knob to its initial position. Your new password is now ready for use to unlock the lock
- Sturdy & Durable --- This bicycle lock is made from a 0.24 inch/6 mm thick alloy steel chain and a strong zinc alloy lock core that resists cutting and sawing. The fabric and PE cover protect the lock chain and core from rainwater and sand, enhancing durability
- Wide Application --- This bike lock chain is sufficiently long to secure 2-3 bikes together or attach your bike to a tree, gate, fence, rail, or pole. Additionally, the chain lock can be utilized for motorcycles, electric scooters, ebikes, skateboards, grills, ladders, doors, lawnmowers, and more
Key details
- color_spec
- Black
- Brand
- Topcrown
- Special Feature
- Anti-theft, Passcode Unlock, Portable, Resettable
- Lock Type
- Combination Lock
- special_feature
- Anti-theft, Passcode Unlock, Portable, Resettable
Dimensions and fit
- dimensions
- 6.1 x 5.5 x 1.5 inches
- weight
- 1.5 pounds
- Item dimensions L x W x H
- 6.1 x 5.5 x 1.5 inches
- item_dimensions_l_x_w_x_h
- 6.1 x 5.5 x 1.5 inches
- item_weight
- 1.5 pounds
- product_dimensions
- 6.1 x 5.5 x 1.5 inches
- size
- Basic - 3.2Ft long, 6 mm thick
Technical specifications
- model_name
- L250827
- item_model_number
- L250827
Item information
- lock_type
- Combination Lock
- recommended_uses_for_product
- Motorcycle, Door, Bicycle
- style
- 3.2 ft long, 6 mm thick
- color
- Black
- number_of_pieces
- 1
- included_components
- Bike Chain Lock * 1
- shape
- Round
- manufacturer
- Topcrown
- part_number
- L250827
- item_package_quantity
- 1
- special_features
- Anti-theft, Passcode Unlock, Portable, Resettable
- batteries_required
- No
- best_sellers_rank
- #5,722 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #7 in Bike Chain Locks
- date_first_available
- August 27, 2025
Highlights
About this item
- Basic Series --- The Topcrown Basic Series bike chain lock is 3.2 feet long, weighing approximately 1.45 pounds. It is crafted from a 0.24 inch/6 mm thick alloy steel chain and is available in more than 10 colors. The Basic Series products are designed to meet essential performance requirements while also offering cost-effectiveness
- 5-Digit Combination --- Our bike chain lock provides heightened security with its 5-digit combination lock design. With over 100,000 possible combinations, it surpasses the standard 4-digit locks in terms of safety and convenience
- Resetting is Simple --- The default password is "00000". To set a new password, just rotate the knob 90° to input your desired code, then move back the knob to its initial position. Your new password is now ready for use to unlock the lock
- Sturdy & Durable --- This bicycle lock is made from a 0.24 inch/6 mm thick alloy steel chain and a strong zinc alloy lock core that resists cutting and sawing. The fabric and PE cover protect the lock chain and core from rainwater and sand, enhancing durability
- Wide Application --- This bike lock chain is sufficiently long to secure 2-3 bikes together or attach your bike to a tree, gate, fence, rail, or pole. Additionally, the chain lock can be utilized for motorcycles, electric scooters, ebikes, skateboards, grills, ladders, doors, lawnmowers, and more
Details
Materials and care
- material
- Alloy Steel, Nylon, Zinc
- finish_type
- Painted
- finish
- Painted
Ask about this product
From the brand
Product videos
Product video 1
Customer reviews
311 reviewsPositive
Rated 4.6/5 across 311 reviews — highly regarded by customers.
- 88% of sampled reviews give 4–5 stars.
Customers say
Customers find the bike lock to be of good quality, sturdy, and easy to use, with one customer noting it can wrap around many solid items.
Generated from the text of customer reviews
Great for my e-bike
Love the lock. Just make sure you follow the directions when you are setting your combination. I was off with one number it took a bit to figure it out Read more
Excellent
Easy installation. Great quality and works perfectly. Read more
Does the job, great 5 digital combo.
This bike lock is heavy duty! Easily to reprogram to my own 5 digital code (took about 30 seconds). I like that the combo is 5 numbers, allowing me to use a memorable zip code (not 90210). The chain has a nice weight to it giving me piece of mind. Read more
Matches my Mongoose Excursion
I was torn between the pink one and the black one, but ultimately decided on the pink one and it looks cute with my Mongoose Excursion bike. Pardon the crappy basement lighting, I live in an apartment complex, and my bike is in my basement because I don’t want to expose it to the elements if I were to have it on my balcony. Plus, my balcony stairs are too steep for my liking compared to the interior stairs. I was able to change my bike lock code just fine. I like that the pink fabric is decently thick and not thin, which protects the beautiful design of my bike. Read more
Great Chain
My only gripe is that it’s a little short. Otherwise, great chain. Read more
Nice bike lock, good color options
I like this lock so much I ordered 3 of them! Looks great. I'm sure a good pair of bolt cutters would cut them but it would be hard and take some time. Cost is also good. Like this better than the coil kind Read more
Very nice lock
Awesome sturdy lock Read more
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