ULAC 4-Digit Bike Lock Bicycle Password Chain Lock Anti-theft Padlock Security

★★★★★ 4.3 136 reviews

US$8.64
Price when purchased online
Free shipping Free 30-day returns

Sold and shipped by beta.daytonhoopla.com
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here.
US$8.64
Price when purchased online
Free shipping Free 30-day returns

How do you want your item?
You get 30 days free! Choose a plan at checkout.
Shipping
Arrives Sep 5
Free
Pickup
Check nearby
Delivery
Not available

Sold and shipped by beta.daytonhoopla.com
Free 30-day returns Details

Product details

Management number 230785223 Release Date 2026/06/18 List Price US$8.64 Model Number 230785223
Category

The digital shaft rotates smoothly, without any wrong password settings and shaft failures. Solid zinc alloy cylinder with strong lock plug allows you to have peace of mind knowing your bike is locked and secure. The 4-digit combination allows up to 10,000 possible codes making it nearly impossible to crack. Keyless convenience!

  • Specification:
  • Brand: ROCKBROS
  • Item type: bike chain lock
  • Material: Zinc Alloy+Nylon
  • Weight: 416g
  • Digital lock design: 4-digit combination locking mechanisms for high security bike lock, our bike chain lock is resettable for 10,000 sets of passwords combination for the lock and the original password is”0000”.
  • Thicker Bike Lock and Long Enough Chain: The diameter of this bike chain lock is up to about 17.19mm, which is strong enough to provide an anti-theft performance.Besides, the bicycle lock is 3.9ft(120cm) long, you can lock two or more bikes at the same time, which is more convenient.
  • High quality: This bike lock made of high-strength durable metal material.Zinc alloy lock cylinder, hardened steel material, and covered with ABS plastic,which is strong and sturdy. The heavy duty material makes the lock wear-resistant, rust-proof and cut-resistant.
  • Durable & Anti-slip Cloth Cover: A high-quality polyester protective sleeve is used to make the chain lock more smooth, durable and wear-resistant. It won’t scratch the body, protecting the perfect appearance of your bicycle. and no noise while riding.
  • Wide Application: The bicycle chain length 3.9 feet/ 120cm and weighs 0.93lb/420g. ROCKBROS Bike Locks prefect for motorcycles, bikes, e-bikes, gates, fence, and even lawn mowers, ladders, sports equipment etc. Note:Please don't leave your bike locked outside for long periods of time. Especially in high crime areas. No bike lock is 100% secure!
Bicycle lock type Bicycle Lock
Brand Rockbros
Lock type Combination Lock
Material Zinc alloy+nylon
Diameter 17.19 mm
Lock combination options 10000
Weight 420 g
Color black
Has written warranty No
Count 1

Correction of product information

If you notice any omissions or errors in the product information on this page, please use the correction request form below.

Correction Request Form

Customer ratings & reviews

4.3 out of 5
★★★★★
136 ratings | 56 reviews
How item rating is calculated
View all reviews
5 stars
80% (109)
4 stars
6% (8)
3 stars
3% (4)
2 stars
1% (1)
1 star
10% (14)
Sort by

There are currently no written reviews for this product.