BBB RollerBoys Jockey Wheels Ceramic Bearing Sram Narrow-Wide 12T Black

Product Description

The Rollerboys 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!Features: Pulley size: 12T. Narrow Wide tooth profiling ensures ultimate chain retention. Composite material provided by EMS Swiss, with 40% glass-fiber mixture. RollerBoys equipped with low friction ceramic bearings for ultra-smooth glide and exceptional durability. Lubricated with special ceramic light oil for extra smoothness. Bearing type Ceramic Compatible with: Sram 1x11. Gears: 11-speed. Made of: Grivory EMS