Cart 0
Bicycle locks


Bicycle Combination U-Lock, Medium Security


Product SKU: LK-21055

View User Manual

Product FAQs


The Lumintrail heavy-duty combination u-lock with 4-digit combination provides the highest standard of protection for your bike. Durable 16mm steel shackle resists cutting, prying, or jacking. Dust cover design provide extended product life. Easy to use 4-digit resettable lock* gives you convenient key-less access while allowing for thousands of combinations.


  • Solid 16mm shackle (13mm hardened high-grade steel, 3mm durable rubber) resists cutting, prying, or jacking
  • 4-digit resettable combination lock so you don't have to worry about keys
  • Dust cover protects cylinder for extended product life
  • Rubber-coated crossbar cover protects bike paint/finish
  • Easy One-Button Release


  • U-lock Dimension: approx. 9x5.75x1 inch / 228x146x25mm
  • Shackle: 16mm thick
  • Weight: approx. 1.9 lbs (U-lock only) / 861 g

Package Includes: 1 x U-Lock

Attention: * If you forget the pass-code, you will not be able to open the lock or reset the password. We encourage consumers to store their combination in a secure location.

Share this Product

More from this collection