Specifications: Brand: Qikour
Material: CNC Aluminum alloy+ Ceramic
Colour: Black, Blue, Red, Gold Diameter: 55mm Thickness: 8mm Type: 12 T Weight: 12g
Features:12 teeth bicycle rear derailleur accessary. Made of CNC aluminum alloy, lightweight & durable. Setting for 4/5mm spindle shaft rollers. Adoptsceramicbearing, rotating without resistance, it greatly decreased frictional resistance, and increased cycling efficiency. The design increases bike derailleur shifting speed, causes no noice when shifting speed & prevents bike chain falling. Note: Please choose the same size as original guide wheel, if not the same, you can choose smaller size than the original wheel but not the larger one. Package
Includes::1 x Bicycle Positive & Negative Teeth Guide Wheel