CLICK IMAGE for more info and price
Increase power transfer on your road tandem. This set features: Forged 1-piece AL-6061-T6 construction, anodized chainrings with CNC details / 4mm outer ring smooth, ramped and pinned shifting, 30-42-52 AL-7075-T6 rings, 39 AL-7075-T6 timing rings, Cromoly chainring and crank bolts, Shimano 9-speed and Campy 10-speed compatible, 175mm front / 170mm rear, Uses a 118 or 128mm wide spindle. SIS Drive only. 1470g/set.