ZTTO 10 Speed Flywheel 11?46T Cassette Hollow Bike Colorful Freewheel for Mountain Bicycle Accessory

Feature: 1. This is 10 speed, with 11?13?15?18?21?24?28?34?40?46T teeth ratio cassette hollow bike flywheel. 2. Hollow design, makes the colorful freewheel weight reduced in some degree. 3. It rotates smoothly without noise, which ensures close connection with the wheel hub of the bicycle and smooth operation. 4. Adopting of metal material, it is anti?corrosion, good heat resistance, so you do have to worry about long?term use of friction heating, affect its service life. 5. Simple to install, can directly replace your old or broken cassette freewheel. Specification: Item Type: 10 Speed Cassette Flywheel Material: Aluminium Alloy+Steel Color: Colorful Teeth Ratio: 11131518212428344046T Weight: Approx.451g15.9oz. Package List: 6 x Sprocket1 x Flywheel Cover1 x Gasket Note: Check whether the flywheel is locked and aligned after installation.This is 10 speed, with 11?13?15?18?21?24?28?34?40?46T teeth ratio cassette hollow bike flywheel. Hollow design, makes the colorful freewheel weight reduced in some degree. It rotates smoothly without noise, which ensures close connection with the wheel hub of the bicycle and smooth operation. Adopting of metal material, it is anti?corrosion, good heat resistance, so you do have to worry about long?term use of friction heating, affect its service life. Simple to install, can directly replace your old or broken cassette freewheel.