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SRAM COMPATIBLE: The RollerBoys are SRAM jockey wheels 12 speed for use with MTB Systems. SHIFT GEARS EFFICIENTLY: These derailleur pulley's makes shifting gears a breeze thanks to its 12 and 14-teeth pattern. GREAT CHAIN RETENTION: The narrow-wide profile of the derailleur jockey wheels gives incredible chain retention. DURABLE: These SRAM jockey wheels are stronger than regular Nylon mateterials thanks to a 40% glass-fiber mix. STEALTHILY QUIET: Sealed CrMo bearings make for a silent operation compared to pulley wheels without ball bearings.
SRAM COMPATIBLE: The RollerBoys are SRAM jockey wheels 12 speed for use with MTB Systems. SHIFT GEARS EFFICIENTLY: These derailleur pulley's makes shifting gears a breeze thanks to its 12 and 14-teeth pattern. GREAT CHAIN RETENTION: The narrow-wide profile of the derailleur jockey wheels gives incredible chain retention. DURABLE: These SRAM jockey wheels are stronger than regular Nylon mateterials thanks to a 40% glass-fiber mix. STEALTHILY QUIET: Sealed CrMo bearings make for a silent operation compared to pulley wheels without ball bearings.
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