Park Tool DH-1 Dummy Hub CheckoutSpec= i-Spec II The TRP CS-M9050 EVO 12-speed

The TRP CS-M9050 EVO 12-speed cassette features a wide gear range and provides high wear resistance

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Park Tool DH-1 Dummy Hub CheckoutSpec= i-Spec II The TRP CS-M9050 EVO 12-speedPark Tool DH 1 Dummy Hub. The DH 1 Dummy Hub slides into the rear dropouts of a bicycle frame and replaces the rear wheel keeping the chain in place while the wheel is removed for cleaning service or transportation. The unique design allows the bicycle to be pedaled and the derailleur to be shifted making the DH 1 an essential tool for chain cleaning or diagnosis of drivetrain issues. Compatible with all multi speed and 1 8" chain Compatible with