Bike Derailleur High Transmission Efficiency High Performance Stability Quick Shifting Bike Components for Mountain Bike

Feature: 1. High Performance: Optimized combination and transmission ratio, high transmission efficiency, increase bicycle speed. 2. Stability: Durable aluminum alloy material and excellent shifting performance ensure safe and stable riding. 3. Material: Shell is made of aluminum alloy, strong, wear resistant, rust proof, not easy to break, and durable. 4. Easily Use: Simple and convenient installation, no complicated procedures, and not easy to damage, long service life. 5. Wide Application: The transmission is suitable for 7 speed, 21 speed, and 24 speed mountain bikes. Specification: Item Type: Bike Derailleur Product Material: Aluminum Alloy Product Model: TY300,TX35 Upgrade Applicable Scope: For 7 Speed, 21 Speed, 24 Speed. Package List: 1 x Bike Derailleur