External BB Axle Integrated Double-Chainring Crankset

◎ Crank construction: AL-7050 T73
◎ Bolt circle diameter: 130mm
◎ Chainring: 53T x 39T, AL-7075 T73 (imported material)
◎ Optional sizes: 50T x 39T, 55T x 42T

◎ Crank arm length: 165mm, 170mm, 172. 5mm, 175mm

◎ Crank arm: forged AL-7050 T73
◎ Average weight: 810g±10g/175mm BB not included
◎ BB shell width: 68/70
◎ Chainline: 43.5mm
◎ Speed: 9/10
◎ Q-factor: 128±1. 5mm
◎ Spindle: SCM440
◎ Finish-Crank: high polished silver, black, and grey
◎ Finish-Chainring: beadblast silver, black, and grey
◎ Matte black finish version (RTm) is available