This is a cassette sprocket for mountain bike, which is adopted the hollow design, with chrome plating surface, no fading. Made of high tensile steel and made by the technology of quench-temper hardening. The strong antioxidation makes it hard to rust, can provides long service life. Easy to control the shift function, due to the special design of the gear sprocket exclusively for mountain bike. There are two types for you to choose, 9 speed and 10 speed, you can choose according to your demands. You can have a try.

Features:
This cassette is a cassette sprocket for mountain bike.
Adopted the hollow design, with chrome plating surface, no fading.
Made of high tensile steel and made by the technology of quench-temper hardening.
Has higher strength, fine durability and has extreme resistance to abrasion.
The strong antioxidation makes it hard to rust, can provides long service life.
Easy to control the shift function, due to the special design of the gear sprocket exclusively for mountain bike.
There are two types for you to choose, 9 speed and 10 speed, you can choose according to your demands.

Specifications:
Name: ZTTO MTB Cassette
Material: steel
Color: Gold
Type: 9 speed, 10 speed (optional)
9 speed ratios: 11-13-15-18-21-24-28-32-36T
10 speed ratios: 11-13-15-17-19-21-24-28-32-36T
Item weight:
9 speed: 415g / 0.91lb
10 speed: 439g / 0.97lb
Package size: 155 * 155 * 60mm / 6.10 * 6.10 * 2.36in
Package weight:
9 speed: 498g / 1.10lb
10 speed: 522g / 1.15lb

Packing List:
1 * Cassette