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