ZTTO Road Bike Freewheel Cassette Sprocket 12 Speed 10 50T Bicycle Replacement Accessory

Features: This freewheel is made of high quality metal material, high strength, anti rust, non deformation, wear resistant and durable. Hollow out design reduces much weight to lessen the burden of long time cycling. It can promise smooth rotation of chain, suitable for chain ring between 10 50T or 11 50T. Designed for 12 speed bike. Easy to install and use. Specification: Brand: ZTTO Condition: 100percent Brand New Item Type: Bike Freewheel Material: Metal Color: Silver Black Optional Style: 10 50T, 11 50T Speed: 12 Speed Cassette Fitness: for GX Eagle M9100 Compatible: with XD (10 50T), with HG (11 50T) XD: 10 12 14 16 18 21 24 28 32 36 42 50 HG: 11 12 14 16 18 21 24 28 32 36 42 50 Size: Approx. 10 * 10 cm 3.9 * 3.9inch Weight: Approx. 514g Package List: 1 * Bike Freewheel .