Bolt circle 110/74 mm
Crank arm lengths 170, 172.5, 175 mm of aluminum 6061, silver anodized
chainrings type 110/74 ST 5083 silver anodized, for 9/10-speed, black 7075-T6
Stainless steel chainring bolts,
for bottom bracket square JIS, axle length 115mm (not enclosed)
Weight: 770 g