Shimano Microspline. Shimano GRX C32 WH-RX880 Carbon Tubeless Ready Gravel Disc Wheelset 700c. 32 mm high profile full carbon rim for improved aero dynamics and durability. 24 stainless steel butted and bladed straight pull spokes with a 2-cross lacing pattern improve lateral and torsional (power transmission) rigidity.
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