BBB Cycling Derailleur Pulley Ceramic 13 Teeth Rear Shimano 12 Speed Jockey Wheels Roller Urban Road Bike MTB Bicycle RollerBoys BDP 19, Black

Bbb Rollerboys Ceramic Shimano Mtb Jockey Wheel Set. The Roller Boys 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 Roller Boys Ceramic you are good to go.High-end ceramic derailleur pulleys:- High-end and super easy-to-install ceramic pulleys with special tooth patterns for super quick and smooth shifting gears.Features:- 11x13T Ceramic derailleur pulleys- 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- Lubricated with special ceramic light oil for extra smoothness- Compatible with 11-speed Shimano GRX (810/815)Specifications:- Pulley size: 13T- Bearings material: Ceramic- Gears: 12-speed- Compatible with brands: Shimano- Part materials: Grivory EMS- Weight (g): 29. tradeinn Bikeinn

QUICK SHIFTING PERFORMANCE: The RollerBoys will keep you rolling and make your bike ride so smooth that you will never stop anymore! The special 12 teeth narrow-wide profile gives you the perfect chain retention and makes sure you can shift to a higher gear with the speed of light! SHIMANO COMPATIBLE DERAILLEUR WHEELS: These bike pulleys are compatible with 12-speed Shimano MTB groupsets SMOOTH CERAMIC BEARINGS : The RolleyBoys Ceramic Jockey Wheels are equipped with low friction Ceramic bearings and are lubricated with special Ceramic oil for even more smoothness and exceptional durability over CrMo bearings DURABLE AND STRONG: Made of Grivory EMS, this composite material has a 40% glass-fiber mixture which makes it extra strong and durable compared to other derailleur pulleys ALUMINIUM BUSHINGS: The RollerBoys Derailleur Pulleys have anodized Aluminium bushing for added stiffness and extra protection for your bearings