Bolt circle 104/64 mm for 3-speed resp 94 mm for 2-speed
Crank arm length 170, 175 mm, with ALS 170, 172.5, 175 mm
Crank arms aluminum 6061-T6, black anodized
Chainrings type XTR07, aluminum 7075-T6, with XS with CT2
Activ-Link 68-73 mm, integrated axle (bottom bracket enclosed)
Weight: X1: 715 g / X2: 620 g