-Full Venus C7 High Modulus carbon cranks. -FDC tuning with Obllix shaping for optimized stiffness. -designed to ensure maximum no-loss power transfer to the rear wheel. -Lengths: 170mm, 172.5mm and 175mm. -BB Interface optional: Octalink-spline, ISIS-spline and ISO-square -Chainrings: BCD 130mm x 53 / 39T or 52 / 39T . -Weight: 600g. | 
