Product Information
- WELL CMPATIBLE: Bicycle Rear Derailleur Extension is used to lengthen the rear dial chain, and apply to mountain flywheel 0T/ 42T/ 46T/ 50T highway flywheel.
- GREAT PERFORMANCE: Using this helpful Bicycle Rear Derailleur Extension, making the flywheel speed change more smoothly.
- HIGH-GRADE MATERIAL: Bicycle Rear Derailleur Extension is made of quality aluminum alloy with CNC machining, sturdy and firm, durable and corrosion-resistant.
- GOOD ITEM: Easy to install and remove, really a great accessory for cycling enthusiasts.
- GUARANTEE: If you are not satisfied with our product received, you can apply for unconditional return and refund within 180 days. In terms of any problem of this product, you can send emails as soon.