Wheel Specification: Front 74mm/2.9in, back 130mm/5.1in. Front 20 holes, rear 20 holes. Front 2 rear 4 bearings. 8/9/10/11 speed.
Flexible Bearing Rotation: The bearing rotates flexibly, which can bring a l ght and stable riding experience, can increase your riding fun.
Aluminum Material Material: bike wheel is made of high quality aluminum alloy material, sturdy, durable and long service life.
Excellent Performance: Fashionable colors design and excellent workmanship make the bicycle wheel more dynamic when riding.
Front 2 Rear 4 Bearings: The bike wheel adopts the structure of front 2 and rear 4 bearings, which effectively improves the transmission efficiency and makes your long distance riding easier.