VGEBY1 Rear Derailleur Jockey Wheel - Sealed Bearing Pulley Guide Wheel for Bike Derailleurs | Perfect for Mountain Bikes & Road Bikes Cycling Maintenance

Features: TOP QUALITY: Derailleur Jockey Wheel adopts high quality aluminum alloy materials, which is durability and high strength to use. REDUCE DRAG: Ceramic material can reduce drag force which can improve cycling efficiency, very helpful when cycling. SILENT EFFECTS: Positive and negative tooth guide wheel, there is no strange voice and can get a faster speed. GOOD PERFORMANCE: Stronger compatibility with flexible rotation., suitable for use 4 / 5 / 6 mm guide wheel screws. Specifications: Item: Rear Guide Wheel Material: Aluminum Alloy + Ceramic Color: Black, Red, Blue, Golden (Optional) Support for 7 / 8 / 9 /10 speed bike Diameter: 5 cm / 2.0 inch Weight: 15 g Teeth: 12 Package Included: 1 * Rear Guide Wheel 2 * Installation Hole Adapters

TOP QUALITY Derailleur Wheel adopts high quality aluminum alloy materials, which is durability and high strength to use.

REDUCE DRAG Ceramic material can reduce drag force which can improve cycling efficiency, very helpful when cycling.

SILENT EFFECTS Positive and negative tooth wheel, there is no strange voice and can get a faster speed.

GOOD PERFORMANCE Stronger compatibility with flexible rotation., suitable for use 4 / 5 / 6 mm wheel screws.

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.