Shimano 105 Crankset

No, this specific Shimano 105 crankset is designed exclusively for 12-speed drivetrains. Using it with an 11-speed system will result in poor shifting performance and potential chain issues.

HOLLOWTECH II technology uses a hollow crank arm design to significantly reduce weight without sacrificing the structural rigidity needed for efficient power transfer. This creates a lighter, stiffer crankset that feels more responsive when you put power into the pedals.

Crank arm length is largely a matter of personal preference and bike fit, but generally, shorter arms (like 160mm or 165mm) can help with hip clearance and cadence, while longer arms (172.5mm or 175mm) may offer slightly more leverage. If you are unsure, check the length currently on your bike or consult with a professional bike fitter.

The Q-factor is the distance between the pedal attachment points on the crank arms. A 148mm Q-factor is standard for modern road bikes, designed to keep your feet in a natural, efficient position that balances power output with rider comfort.

The resin ribs are a structural design feature that reinforces the chainrings to prevent flex during gear changes. This rigidity is what gives the Shimano 105 its signature crisp, reliable shifting performance under load.