Ultralight Hollow Out Bike 950T Freewheel Integration Flywheel Cycling Accessory for Mountain

Feature: 1. Highquality chromiummolybdenum steel processing technology, high temperature resistance, durable and good impact performance. 2. Smooth, flexible, wearresistant, lubricating,high performance. 3. Accurate positioning, sturdy and durable, colorful quenching, multilayer electroplating rust prevention, highprecision tooth shape, missing tooth design, strong compatibility, making your riding more possibilities. 4. Wonderful accessory for mountain bike. 5. 2 different type for you to choose, meet your different needs. Specification: Condition: 100percent Brand New Item Type: Bike Flywheel Material: Chromemolybdenum steel Color: colorful Optional: 11 speed 950T, 12 speed 950T 11speed gear ratio: 911131620242832364250T 12speed gear ratio: 91113151821242832364250T . Package List: 1 x Bike FlywheelHighquality chromiummolybdenum steel processing technology, high temperature resistance, durable and good impact performance. Smooth, flexible, wearresistant, lubricating,high performance. Accurate positioning, sturdy and durable, colorful quenching, multilayer electroplating rust prevention, highprecision tooth shape, missing tooth design, strong compatibility, making your riding more possibilities. Wonderful accessory for mountain bike. 2 different type for you to choose, meet your different needs.