M30-R30-A30-G30 Crank Comparison Chart
| Mountain M30 | Adventure A30 | Road R30 | Gravel G30 |
|
|---|---|---|---|---|
| Crank arm | M30 Mountain arms | R30 Road arms | R30 Road arms | M30 Mountain arms |
| Spindle | M30 Mountain spindle | M30 Mountain spindle | R30 Road spindle | R30 Road spindle |
| 1x chainline (3mm offset ring, facing inward) | 49mm | 49mm | 46.5mm | 46.5mm |
| 1x Boost chainline (omm offset/flat ring) | 52mm | 52mm | 49.5mm | 49.5mm |
| 1x chainline (3mm offset flipped outward) | *55mm | *55mm | 52.5mm | 52.5mm |
| 2x chainline (measured between the 2 rings) | 47.5mm | 47.5mm | 45mm | 45mm |
| Q factor | 176mm | 163.5mm | 158.5mm | 171mm |
| Width between inside of arms (for chainstay clearance) | 149.6mm | 137mm | 132mm | 144.6mm |
| Weight | 575g (175mm w/spindle) | 565g (170mm w/spindle) | 560g (170mm w/spindle) | 570g (175mm w/spindle) |
| BB shell widths | 68mm/73mm or 86mm/92mm | 68mm/73mm or 86mm/92mm | 68mm or 86mm | 68mm or 86mm |
| **OBW (outer bearing width) | 96mm (+/- 1mm) | 96mm (+/- 1mm) | 91mm (+/- 1mm) | 91mm (+/- 1mm) |