7 Speed Cassette Sprocket 11-28T Light Weight Bicycles Freewheel Replacement Folding Bike Cassette Easy to Install

Features: Combination Gear: 11-13-15-17-20-24-28T; Speeds: 7 Speed. The Antifalling chain tooth loss designs, the chain guide grooves designs make the shifting more sensitive, and realizes easy, fast and smooth shifting. Make of Aluminum and Steel, which are light weight and Enduring. It features a hollows designs, improving drainage, mud dispersion, and heat dissipation. Suitable for a wide ranges of bikes, including road bikes, mountain bikes, and folding bikes.

Specifications: Materials: Aluminum and Steel Color: Dark Blue/Silver Diameter: about 11.50cm/4.53inch

Package Includes: 1pc Bike Cassette

note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.