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The Shimano GRX ST-RX610 dual control lever delivers light and responsive shifting for mixed-terrain riding (Note: BR1057 is a left non-shift variation for 1x set ups)
Designed from the ground up Rim Stix work with all tire and rim combos and include an emergency valve core remover
3 Shaft Type Smooth Tube Compound Butyl Valve Presta Med 41-55mm Valve Core Fixed Weight 210
8 Color Blue Type Quick Release Material Aluminum Defined Color Blue Weight 34
The Guidelock quick adjustment system allows for up to 8mm of adjustment for chainline without the use of shims
DVO Onyx Air Piston Kit 36mm MPFN-ABPD000467 The Shimano GRX ST-RX610 dualService parts for Diamond forks TECH SPECS Description air piston kit, 36mm
