Feature:
l Aluminum alloy material, strong and durable
l It can convert single or fixed gear to outer 3 speed more speed, rear gear adapter convertor
l The hole diameter of the mounting plate screw is 10mm, and the inner diameter of the screw thread is 9mm
l Suitable for fnhon breeze freedom 412 folding bikes or fixed gear, and other bikes
Specification:
l Color: Black, Red
l Material: Aluminum Alloy
l Size: Approx. 46x37.5x12.5mm
l Weight: About 14.5g
Package:
l 1x Rear Derailleur Hanger