Description
Shimano Altus FC M311 Crankset 170mm 7 8 Speed 42 32 22t Riveted Square Taper JIS Spindle Interface BLK With Chainguard Rear Der Shifter Compatibility microSHIFT ADVENT 37 BB Frame Interface English BB 37 BB Frame Interface English BB Shell Width (mm) 68 BB Shell Width (mm) 73 BB Shell Width (mm) 100 Weight 102 Spindle Interface Type SRAM DUB Defined Color Red Specifically tuned to be aerodynamically paired with 23 28c road tires though a 20mm inner width compliments even the most voluminous gravel and ‘cross tires