18T Guide Roller Bicycle Rear Derailleur Pulley Wheels for Road Mountain Bike AccessoryMulticolor

Feature: 1. It can be applied to most mountain bikes, bicycles, road bikes, folding bikes, etc. 2. High quality material, adopting aluminum alloy and ceramic material, lightweight and durable. 3. Fine workmanship, make your bike more stylish and cool, easy to install. 4. Supports various speed changes to provide you with a better riding experience. 5. Our rear guide wheel is sensitive and safe, let your cycling exprience more safety and relax. Specification: Item Type: Rear Guide Roller Material: Aluminum Alloy + Ceramic Color: As shown in the picture Specification: 18T Length Size: Approx.72mm 2.83in Installation Size: Approx.6mm 0.24in axes Small Ring Size: Approx.4mm 0.16in Large Ring Size: Approx.5mm 0.20in Application: Rear derailleur 6MM axes guide wheel . Package List: 1 x Rear Guide Roller2 x Accessories Note: 1. Please allow 1?2mm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. The choice of guide wheel: Please try to choose the same as the original guide wheel, or you can choose a smaller one. It can be applied to most mountain bikes, bicycles, road bikes, folding bikes, etc. High quality material, adopting aluminum alloy and ceramic material, lightweight and durable. Fine workmanship, make your bike more stylish and cool, easy to install. Supports various speed changes to provide you with a better riding experience. Our rear guide wheel is sensitive and safe, let your cycling exprience more safety and relax.