Shimano SLX FC-M7120-1 Crank Arms

These cranks are designed for frames with 148mm Boost spacing. Because they feature a 55mm chainline, they are specifically optimized for modern frames that require extra clearance for wider tires.

No, the FC-M7120-1 is engineered specifically for Shimano 12-speed drivetrains. Using them with an 11-speed system will likely result in poor shifting performance and chain retention issues.

These cranks use an outboard bottom bracket interface. You will need a compatible Shimano Hollowtech II outboard bottom bracket that matches your frame's shell standard.

Yes, this model uses a direct mount chainring system. This makes it straightforward to replace or swap your chainring size without needing to replace the entire crank arm assembly.

The hollow forged design reduces weight without sacrificing structural integrity. This results in a stiffer crankset that translates more of your pedal input directly into forward motion, making the bike feel more responsive under power.

The Q-factor is 178mm. This measurement represents the distance between the crank arms, and it is a key factor in your pedaling ergonomics and ensuring proper clearance between your heels and the chainstays.