Mountain Bike Derailleur - Speed Controller, Digital Gear Knob, Riding Equipment, Mountain Bike Aluminum Alloy One-Piece Bike Siamese 21-Speed Governo

Details

• Reliable material: Our mountain bike front derailleur is made of aluminum alloy, which is sturdy and not easy to break, heat resistant and durable.
• Easy to install: Our bike gears are very easy to install, the left is the curve without numbers, on the right is the number position and within seconds of a happy time.
• Suitable type: Our bicycle derailleur kits are suitable for mountain bikes, city bikes, leisure bikes, road bikes and , please check before purchasing.
• More comfortable riding: Our bike derailleurs can provide riders with different flexible riding experiences, which can be easily adjusted in multiple places to ensure accurate speed change performance.
• No space required: Our speed rear derailleur can be stored and secured when not in use. It can be used for daily household and racing use and improves driving safety.