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About This Product
The Box One M30-M Cranks, as with most of Box’s higher end offerings, follows in the Oversized Technology design philosophy. In designing these products, Box moves material from less stressed areas to areas of higher stress, thereby achieving greater stiffness without adding any extra weight. The result of all this is that you will have a more instant response when pedaling. More efficient power delivery is the goal and Box has really achieved it with these cranks. A note on sizing: These 30mm spindle cranks are designed for smaller-sized racers. If your rider is bigger, then opt for the 35mm spindle cranks.
FEATURES
- Oversized Technology™ Hollow Forged Design
- Oversized 30mm Alloy Spindle
- Self-Extracting Crank Bolt System
- Top-Load Clamp Design
- 4-bolt 104 BCD Spider
- External BSA 30mm BB Included
COMPATIBILITY
- Box Two Chainring
- Box One Chromoly Chainring Bolts
- Box One 7075 Alloy Chainring Bolts
- Box Two Oversized bottom bracket M30
SPECIFICATIONS
| SIZE | BB | SPINDLE | MATERIAL | PROCESS | CHAINLINE | Q FACTOR | WEIGHT |
|---|---|---|---|---|---|---|---|
| SIZE: 145mm | BB: BSA 30mm 1.37 | SPINDLE: 30mm Alloy | MATERIAL: 7075 T-6 Aluminum | PROCESS: Hollow-Forged | CHAINLINE: 44.5mm | Q FACTOR: 153mm | WEIGHT: 498g/17.6oz |
| SIZE: 150mm | BB: BSA 30mm 1.37 | SPINDLE: 30mm Alloy | MATERIAL: 7075 T-6 Aluminum | PROCESS: Hollow-Forged | CHAINLINE: 44.5mm | Q FACTOR: 153mm | WEIGHT: 509g/17.9oz |
| SIZE: 155mm | BB: BSA 30mm 1.37 | SPINDLE: 30mm Alloy | MATERIAL: 7075 T-6 Aluminum | PROCESS: Hollow-Forged | CHAINLINE: 44.5mm | Q FACTOR: 153mm | WEIGHT: 518g/18.3oz |
Due to the complexity of hollow-forged manufacturing, the weights may vary +/- 10%
