Shimano, GRX FC-RX820-2, Pédalier, Vitesses: 12, Axe: 24mm, BCD: 80/110, 31/48, Hollowtech II, 170mm, Noir, Route Disque FREINS MONTAGNE * Specifically for tubeless disc Type:Axe: 28.99mm, BCD: Direct Mount, 48/35, DUB, 167.5mm, Noir, Route Disque

Shimano, GRX FC RX820 2, Pédalier, Vitesses: 12, Axe: 24mm, BCD: 80 110, 31 48, Hollowtech II, 170mm, Noir, Route Disque FREINS MONTAGNE * Specifically for tubeless disc Type:Axe: 28.99mm, BCD: Direct Mount, 48 35, DUB, 167.5mm, Noir, Route Disque * Specifically for tubeless disc rims with ABLC dimples that stretch to the outer edge of the rim* Decreased strength compared to the old 303 when used with 25C tires or wider* The inside of the rim contains grooves to lock the tire in place and ensure safe performance at lower tire pressures* Versatile 77 177D hubs come with interchangeable hubs to work with QR and Thru Axle (including front Thru Axle 12x100mm and 15x100mm and 12x135mm and 12x142mm rear Thru Axles)*Compatible with XDR cassette bodies for use with SRAM 10 42 cassettes* Includes: Tubeless valve extension Plus silencieux que jamais