ZTTO Bike Freewheel 12 Speed Bike Cassette 11- 52T Cassette for Road Bike Mountain Bike Cycling Replacement Accessory
- 12 Speed 52 Teeth Bike freewheel: 11-13-15-18-21-24-28-32-36-40-46-52T teeth.
- Has high precision thread, ensure a close connection with the bicycle hub,and smooth running without much noise.
- Carrier Material: Ultra-Light Aluminum Alloy and Steel, and Hollow Design Is Perfectly Combined, Reduce Bicycle Weight, Make Riding Easier
- Split Structure: The exquisite split structure is convenient to bring great convenience to later maintenance, easy to disassemble and clean
