ROCKBROS Motorcycle Bicycle U-Lock Anti-Theft Thickened MTB Bike Lock Alloy Steel 3 Keys Color:Black This powerful combination guarantees a

This powerful combination guarantees a remarkably smooth free-spinning encounter

Shock cushion reduces pain even during long cycling

this bike lock fits closely into the handlebars of your bike

The rear light automatically brightens when you brake

ROCKBROS Motorcycle Bicycle U-Lock Anti-Theft Thickened MTB Bike Lock Alloy Steel 3 Keys Color:Black This powerful combination guarantees aBrand: ROCKBROS Product name: Thickened Anti Shear U lock Material: high strength aluminum alloy + zinc alloy lock cylinder + silicone jacket Item No: RKS626 BK color: black Key: 3pcs Steel diameter: about 4. 5CM Lock body diameter: about 8CM Weight: 805g Application: bicycles, motorcycles, etc.