Guide Wheel, Quality Aluminum Alloy Ceramic Bearing Jockey Wheel Pulley Road Bike Bicycle Rear Derailleur (Golden)

• QUALITY MATERIAL: This bike rear guide wheel adopt quality aluminum alloy which is durable to use.
• CERAMIC MATERIAL: Ceramic material can reduce drag force which can improve cycling efficiency.
• FASTER SPEED: Positive and negative tooth guide wheel, no strange voice and faster speed.
• APPLICATION: Stronger compatibility with flexible rotation. Suitable for use 4 / 5 / 6 mm guide wheel screws.
• GUARANTEE: If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem.

This bike rear guide wheel adopt quality aluminum alloy which is durable to use. Ceramic material can reduce drag force which can improve cycling efficiency. Positive and negative tooth guide wheel, no strange voice and faster speed. Features: 1.QUALITY MATERIAL: This bike rear guide wheel adopt quality aluminum alloy which is durable to use. 2.CERAMIC MATERIAL: Ceramic material can reduce drag force which can improve cycling efficiency. 3.FASTER SPEED: Positive and negative tooth guide wheel, no strange vioce and faster speed. 4.APPLICATION: Stronger compatibility with flexible rotation. Suitable for use 4 / 5 / 6 mm guide wheel screws. 5.GUARANTEE: If you are not satisfied with our product you received, you can send emails to us at any time. We will reply you instantly and help you solve your problem. Specifications: Item: Rear Guide Wheel Material: Aluminum Alloy + Ceramic Colour: Black, Red, Blue, Golden (Optional) Support for 7 / 8 / 9 /10 speed bike Diametre: 5 cm / 2.0 inch Weight: 15 g Teeth: 12 Package Included: 1 * Rear Guide Wheel 2 * Installation Hole Adapters