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Shimano's Tiagra Rear Derailleur GS (10-speed) is sleek
The dual-dial upgrade makes for an entirely hotspot free experience
Fits Shimano/SRAM freehub
Can be removed for cleaning
CeramicSpeed OSPW RS 5-Spoke for Shimano 9250/8150 Choose:Red Shimano's Tiagra Rear Derailleur GSEngineered for ultimate drivetrain efficiency and unparalleled performance, integrating oversized pulley wheels with superior ceramic bearings. The CeramicSpeed OSPW RS 5 Spoke system for Shimano 9250 8150 represents a pinnacle upgrade for your 12 speed electronic drivetrain. Designed to seamlessly integrate with Shimano's high performance Ultegra R8150 Di2 and XTR M9250 rear derailleurs, this Oversized Pulley Wheel System significantly reduces
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