Chainwheels RA3-721C-NT

RA3-721C-NT

Crank: 170,172.5,175mm (Forged AL6061-T6)
Chain ring: 39/53T (AL-7075.CNC)
BB: Cups-BC-1.37x24/68mm/73mm
Chain Line: 43.5mm
BCD: 130mm
Speed: 2x9s/2x10s
Weight: 765g