Logan Bike Disc Brake Kit, Aluminum Front and Rear Caliper, Full Aluminum Alloy Bicycle Brake Lever, 160/180mm Rotor Display U7 Portable and Removable Battery:

U7 Portable and Removable Battery: It is used for U7 electric bike

Formed into a strong and wear-resistant structure through powder sintering

Innovation of the base nut away from the center of gravity makes holder not loose even when driving on rough roads

SPECSMaterial: Steel cable+PVCModel: 502 Steelcable outer diameter: 12mmLength: 47

Logan Bike Disc Brake Kit, Aluminum Front and Rear Caliper, Full Aluminum Alloy Bicycle Brake Lever, 160/180mm Rotor Display U7 Portable and Removable Battery:V3 is only suitable for 160mm diameter discs, U7 I7PRO is suitable for 180mm discs. Complete Solution: a whole brake system with 2 aluminum front and back calipers, 2 aluminum bicycle brake handles, 2 stainless steel 160mm Rotors, 2 sets of 6 bolts, & a cable Dimension: IMD international dimension, Front caliper for 160 180mm rotor, rear caliper for 160 180mm disc. Bike brake levers fit installed on 22mm 0. 87inch diameter handlebar