GDWD Mountain Bicycle Flywheel ,9-Speed Cassette 11-40 Cassette for Mountain Bike Racing Bike MTB 9-Speed Front Derailleur with Tail Hook, Super Light (Silver Black)

• 🚴This bicycle flywheel is made of high-tensile steel plated with nickel and chromium, and has a hollow design, which achieves a good balance between strength and weight.
• 🚴9-speed cassette, 11-40: 11, 13, 15, 18, 21, 24, 28, 34, 40 teeth
• 🚴9-speed cassette with locking ring.9/27 speed,Weight:517g.
• 🚴Compatible with Shimano, SRAM and Sunrace 9-speed freehub bodies.
• 🚴About the shifting performance, we designed our tooth profile dedicatedly and use a narrow-wide tooth design to avoid the chain drop when back-pedaling.

Specification: Type: flywheel bicycle. Material: steel. Nickel and chrome plated Size: 11-40 teeth. Weight: 475g Suitable for the following types of bicycles: mountain bikes, 11, 13, 15, 18, 21, 24, 28, 34, 40. Compatibility: SRAM / Shimano, only suitable for rear derailleur with medium and long cage. Product name: 1 x 9-speed flywheel.