CeramicSpeed OSPW X - Coated - SRAM Eagle AXSThe CeramicSpeed Oversized Pulley Wheel System provides optimization and increased efficiency of the rear derailleur through its extremely low friction bearings and unique overall design. Features a 14 tooth upper and 18 tooth lower, aluminum pulley wheels with Grade 3 Silicon Nitride balls to provide absolute optimization of the rear derailleur The narrow wide tooth profile ensures durable chain retention Robust cage is crafted from carbon reinforced
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