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SRAM COMPATIBLE: The RollerBoys Ceramic Pulley Wheels are compatible with 12-speed SRAM road groupsets EFFICIENT SHIFTING: These derailleur pulley's makes shifting gears a breeze thanks to its 12-teeth pattern DURABLE: These SRAM jockey wheels are stronger than regular Nylon materials thanks to a 40% glass-fiber mix STEALTHILY QUIET: Sealed CrMo bearings make for a silent operation compared to pulley wheels without ball bearings. With aluminium cover for optimal durability LOW RESISTANCE: Specially lubricated with ceramic oil for lower friction
SRAM COMPATIBLE: The RollerBoys Ceramic Pulley Wheels are compatible with 12-speed SRAM road groupsets EFFICIENT SHIFTING: These derailleur pulley's makes shifting gears a breeze thanks to its 12-teeth pattern DURABLE: These SRAM jockey wheels are stronger than regular Nylon materials thanks to a 40% glass-fiber mix STEALTHILY QUIET: Sealed CrMo bearings make for a silent operation compared to pulley wheels without ball bearings. With aluminium cover for optimal durability LOW RESISTANCE: Specially lubricated with ceramic oil for lower friction
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