SRAM Rival 1 D1 Guarnitura bici ghiaia CX 1x12 velocità 170 mm 40T X-Sync nuova 0099-A5

Direct mount chainring - 40T (12 Speed). Wide chainline crankset to fit the biggest gravel tires. Crank Length: 170mm. Std 9/16" Pedal Threads.

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