BBB Cycling Derailleur Pulley Ceramic 11-Teeth and 13-Teeth Rear Shimano 11-Speed Jockey Wheels Roller Urban Road Bike MTB Bicycle RollerBoys Ceramic BDP-18, Black, One Size

RollerBoys Ceramic Shimano Compatible Derailleur Pulleys The RollerBoys Ceramic will make your bike ride so smooth that you will never stop anymore! The composite material is strong and durable and the special teeth pattern makes sure you can shift to a higher gear with the speed of light! The ceramic bearings make sure your pulleys will roll super smooth. High-quality pulley wheels are a must-have for every serious bike rider, with the RollerBoys Ceramic you are good to go! Ceramic bearing for minimal resistance and exceptional durability Composite material provided by EMS Swiss, with 40% glass-fiber mixture Sealed bearings with aluminium cover for optimal durability Lubed with special ceramic oil for an even lower resistance Compatible with 11-speed Shimano GRX (810/815) Specifications Pulley size: 11T/13T Bearings material: Ceramic Gears: 11-speed Compatible with brands: Shimano Weight (g): 26 Colors: Black Narrow wide: No Part materials: Grivory EMS Modelcode: BDP-18 PART OF YOUR RIDE BBB Cycling wants to be there for every cyclist. We offer more than 1.500 unique cycling products that have received more than 100 product and innovation awards over the years. Products that are part of every ride, bringing fun to cycling, and making sure cyclists are spending more time on their bikes together with their friends