Q-Factor: Sram provide a "Distance of pedal spindle to crank arm" of 54mm which we believe refers to the distance from the centre of the ATAC springs to the crank arm

The ergonomically designed BO-2 is engineered and built to provide tremendous leverage

Designed to fit 1-1/8" and tapered steerer tubes

2–14 Newton-meter range (18–124 Inch Pounds)

Weight: 384g

Wolf Tooth Anodised Bling Kit - Black PLP|Model Year Q-Factor: Sram provide a "DistanceWant to customise your bike down to the littlest of details? Wolftooth Components can help you with that! These Bling Kits allow you to your colour coordinate your bike in the perfect fashion! Includes a 3mm, 5mm,10mm,15mm headset spacer and integrated 5mm top cap. Includes 2x sets of anodized to match bottle cage bolts.