ZTTO 13T Aluminium Alloy Bike Rear Derailleur Pulley Bearing Wheel Guide Roller

• Made of CNC aluminum alloy, it is solid and lightweight, ensuring high strength and long-term durability
• The bright color will make sure that it can be combined with your bike of any other color
• It is a great accessory for driving enthusiasts
• Applied to most bikes rear derailleur on the market

Specification:

• Material: aluminum alloy body + metal bearing
• Process: CNC anodizing
• Applicability: 4/5/6mm screw hole diameter, 8/9/10/11 speed, suitable for almost all mountain bike and road bike rear derailleurs