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Rear Derailleur Shimano GRX RD-RX820
Gravity Casting Technology
Newmen Beskar 30 base/strong
1 1/8" - 1 1/4" Tapered
REACTION C:62 PRO 753350 Rear Derailleur Shimano GRX RD-RX820CROSS COUNTRY EXCELLENCE There's a good reason for the Reaction C: 62's beautifully organic lines and slender stays: it makes for an exceptionally fast, light frame. Our premium C: 62 carbon and Advanced Twin Mold manufacturing is just the start. There's an integrated seat clamp, for secure fastening and the neatest possible appearance. Semi integrated cable routing complements the frame's clean aesthetic and reduces the need for maintenance. UDH
