Features:

*ZTTO 12 Speed 11-32T /34T Cassette Freewheel Road Bike Ultra-light CNC Flywheel

*100% brand new and high quality

*Made of high-quality materials, durable and practical

*Waterproof and dirt resistant

*Compatible with road bike 11-speed HG system 

Specifications:

*ZTTO Road Bike 12 Speed Flywheel

*Optional model: 11-32T / 11-34T

*Material: Steel and Aluminum

*Color: Rainbow (As Pictures Show)

*Gear ratio and weight:

11-32T: 11-12-13-14-15-17-19-21-23-25-28-32, about 223g

11-34T: 11-12-13-14-15-17-19-21-23-26-30-34, about 231g

Package Contents:1*Bicycle Freewheel