Box Two M30-P cranks have a super-stiff, cold-forged, 30-millimeter, 7075 aluminum alloy, Praxis™ M30 spindle that fits frames with European bottom brackets, paired with the same oversized, hollow-forged arms and 104 BCD spider as our Box One™ M35 cranks. An independent test lab compared a wide range of cranks to both the Box One™ M35 and Box Two™ M30-P cranks. Both systems proved to be stiffer than anything on the market, with the M35's coming in at about 10 percent stronger than the M30-P's.
Each crankset includes a Praxis™ M30-BSA Threaded Bottom Bracket that is compatible with all European style bottom brackets. BB86 or BB30/PF30 compatible adapters can be purchased separately from Praxis™.
BB86 frames require Praxis™ part 86-4001B
BB30/PF30 frames require Praxis™ part 68-4001R or 68-5401R
T47 frames require Praxis™ part 47-0000
Do not use pedal washers when installing pedals onto these cranks. M30-P cranks were designed to be used without pedal washers.
Material: 7075-T6 Aluminum
Length: 172.5, 175, 177.5 or 180mm
Finish: Matte black w/ laser-etched graphics
Q Factor: 163mm
Praxis™ External BSA Bottom Bracket
M30 BB Installation Tool
172.5mm: 753 grams / 26.6 ounces
175mm: 755 grams / 26.6 ounces
177.5mm: 768 grams / 27.1 ounces
180mm: 771 grams / 27.2 ounces
BB only: 115 grams / 4.1 ounces