Product Description
These are replacement spindles for our MR30 series cranks that use a 30mm spindle. Refer to the chart below to see which spindle will work for your configuration.
Specs
- Made from 2024-T365 aluminum
- Anodized black, then bearing surfaces precision ground
- Comes in four lengths
Compatibility
- Compatible with White Industries MR30 series crank arms
- Not compatible with any other brands of cranks
- R30/G30 spindle is for 68mm or 86mm bottom bracket shells
- Spindle 126.2mm total length
- M30/A30 spindle is for 68mm/73mm or 86mm/92mm bottom bracket shells
- Spindle is 131.2mm total length
- Fat Bike -100mm spindle is for 100mm bottom bracket shells only (will not fit 120mm shells)
- Spindle is 158.2mm total length
- For 177mm rear axle spacing with 66.5mm chainlines
- Fat Bike -100mm/120mm spindle is for 100mm or 120mm bottom bracket shells
- Spindle is 178.2mm total length
- For 197mm rear axle spacing with 76.5mm chainlines
M30/A30/R30/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 (0mm offset/flat ring) |
52mm | 52mm | 49.5mm |
49.5mm |
|
1x chainline (3mm offset ring 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) |
*55mm chainline for Rohloff and Super Boost hubs
**This is the allowable outside-to-outside measurement of your BB bearings (with seals) when they are mounted to your frame. The bearing preload collar on the crank is adjustable and can accommodate slightly wider or narrower widths (+/- 1mm) than the target number.
What’s In The Box
- One spindle
- No mounting bolts included
Technical Documents
- MARG30 Crank Assembly
- MARG30 Crank and Bottom Bracket Compatibility Chart
- Bottom Bracket Tool Compatibility
- MARG30 Crank and Chainring Dimensional Drawings