Derailleur Pulley Wheels Rear Derailleur Pulley 11 Teeth Aluminum Alloy Hollow Design Strong Support Built In Bearing Bike Guide Wheel Colorful Shimano Rear Derailleur Pulley Set Swinging Dinosaur Car Hanging Ornament for Rear View Mirror , Cute Car Decor Accessories Interior, Car Pendant Dinosaur Hanging Swing (Green) 9.7 Exceptional Check Price Spec:Item Type: Bicycle Derailleur PulleyMaterial: Aluminum Alloy+Ceramic BearingColor: As Picture ShownLength: Approx. 72mm/2.8inInstall Size: Approx. 6mm/0.2in axleSmall Diameter Reducing Ring: Approx.4mm/0.16inLarge Diameter Reducing Ring: Approx.5mm/0.20inWeight: Approx. 17.0g/0.6ozQuantity: 1PcsSpecification: 18TApplication: 6MM Axle Pulley Wheelpacking list:1 x Bicycle Derailleur Pulley2 x AccessoryNotice:Manual measurement, please allow 1‑2mm/0.04‑0.08in error, thank you. COD]] Rear Derailleur Pulley, Quality Ceramic Bearing Jockey Wheel 1. This rear pulley wheel is sturdy and lightweight, and ceramic bearings ensure durability.2. Supports various speed changes to provide you with a better riding experience.3. Suitable for most mountain bikes, bicycles, road bikes, folding bikes and etcs, high performance.4. Made of aluminum alloy and ceramic materials, the product is very durable and sturdy.5. The craftsmanship is superb and the details are in place, must‑have part for your bike. Supports various speed changes to provide you with a better riding experience. Please try to choose the same as the original pulley wheel, there is no one that can be smaller than the original pulley wheel. This rear pulley wheel is sturdy and lightweight, and ceramic bearings ensure durability. 13T Bicycle Rear Derailleur CNC Aluminum Alloy MTB Mountain Road Bike...