Park Tool DW-2 Derailleur Clutch Wrench Bikesportz Eagle 90 is the perfect

Eagle 90 is the perfect complement to your bike

Main compartment - compression sleeve for hydration and extra layers

premium two-way YKK zippers and adjustable waist tabs for a completely adaptable fit and a dual purpose rear pocket with a handy carry carabiner

Chest strap pocket for gear you need quick access to while riding

Park Tool DW-2 Derailleur Clutch Wrench Bikesportz Eagle 90 is the perfectSome models of Shimano rear derailleurs feature a clutch mechanism that can be adjusted to account for wear or rider preference. The Park Tool DW 2 is a small, thin wrench with 3 mm and 5. 5 mm openings designed to fit the clutch tension adjuster on many Shimano rear derailleurs. Specifications 3 mm and 5. 5 mm wrench openings Fits Shimano derailleurs including GRX, XT, SLX, Deore, Saint, and Zee rear Shadow Plus (+) derailleurs and all previous