Sell Meroca 12T Rear Derailleur Pulley Aluminum Alloy Jockey Wheel Ceramic Guide Pulley Bike Guide Roller Wheel for Road Bike Mountain Bike MTB best price

Type: Rear Guide Wheel Material: Aluminum Alloy + Ceramic Colour: Black/Red/Blue/Gold/Purple Support for 7 / 8 / 9 /10 speed bike Diametre: 2 inch (50mm) Thickness: 0.34 inch (8.5mm) Teeth: 12 Features: 1. Adopting quality aluminum alloy, this product is durable to use 2. Positive and negative tooth guide wheel, no strange vioce and faster speed 3. Ceramic material can reduce drag force which can improve cycling efficiency 4. Stronger compatibility with flexible rotation 5. Suitable for use 4 / 5 / 6 mm guide wheel screws 【NOTE!!】 The installation range of the guide wheel must be greater than 2inch/50mm diameter 【Package include】 1 * Rear Guide Wheel 2 * Installation Hole Adapters