SHIMANO GRX RX870 TUBELESS CARBON REAR WHEEL 2026-MTB-999to2999 the positive feel gives the

the positive feel gives the right rider input to make shifts crisp and discernible every time

cosy touch bib upper with high stretch y-form binding

Carcass: 2x60

Improved stability with heavy frame design with wide footprint

SHIMANO GRX RX870 TUBELESS CARBON REAR WHEEL 2026-MTB-999to2999 the positive feel gives theThe Shimano WH RX870 GRX wheel transforms gravel riding with speed, distance, and pure enjoyment. Wider rims are essential for maintaining lateral tire stability when running wider tyres at lower air pressures. Shimano's engineering team meticulously analysed the interplay between tyre size, rim width, air pressure, and tyre lateral rigidity to perfect the GRX rim width for 3250c tyres. The result balances rim weight, strength, and aerodynamic profile