Description:

11-28T MTB mountain/ folding bike freewheel bicycle flywheel cassette.

9 Speed setup.

Ratios: 11-13-15-17-19-21-23-25-28T

Made of high tensile steel made by the technology of quench-temper hardening, makes it more durable and has extreme resistance to abrasion.

The unique hollow design of the gear sprocket exclusively for mountain bike, provides you a better experience to control the shift function and reduce the weight

The surface made by the technology of chrome plating, makes it hard to rust and works for a long time

Specification:

Diameter: 115mm/4.5 inch

Height:40mm/1.57 inch

Package Includes:

1 Piece Mountian Bike Cassette Freewheel

Note:

We suggest that you change the chain when you change the cassette for long time using