The BBB Ceramic Rollerboys are crafted from durable EMS Swiss composite material and feature ceramic bearings for a consistently smooth ride. Their narrow-wide tooth profiling ensures excellent chain retention on compatible 12-speed SRAM drivetrains.
The BBB Ceramic Rollerboys are crafted from durable EMS Swiss composite material and feature ceramic bearings for a consistently smooth ride. Their narrow-wide tooth profiling ensures excellent chain retention on compatible 12-speed SRAM drivetrains.
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