21 Speed Bicycle Shifter 3x7 Brake MTB Road Bike Cycling Disc Brake Levers Shift

21 Speed Bicycle Shifter 3x7 Brake MTB Road Bike Cycling Disc Brake Levers Shift Note:This item With Paint handling,During the shipment maybe litter Scratched, Please kinly note,we will package it well try to avoid this problem With Gear Shift and brake function,easy to use the shifter/brake levers is suitable for the bike of front 3 and rear 7 The inner diameter of the handle mounting holes:About 22.2mm Suit for Mountain Bike,Road bike and so on Package Included: 1 Pair x Bicycle Shifter Brake