The SRAM Rival® OCT (Open Core Technology)™ Crankset shows the way forward for any serious cyclist, putting power to the road while saving weight at the same time. Open Core Technology means the crank arms are hollow-forged out of AL-6066 alloy for maximum strength & mount our Power Glide™ 10 speed chainrings.
Features: OCT™construction is stronger & lighter than standard solid-core alloy cranks Power Glide™ chainrings are competition proven with long-lasting finishes GXP GXP’s Gutter Seal design cuts friction & weight—improving both feel & performance. OCT (Open Core Technology) To fabricate our Open Core Technology a single mass of premium alloy is pushed, pulled & squeezed into a hollow crank arm. During our exclusive process the magic happens, producing supreme strength while remaining weight-conscious. We may have not been the first to fabricate hollow crank arms, but we are the best by yielding the highest stiffness-to-weight ratio out there. Our OCT cranks are stiffer, stronger, & lightweight beyond any solid forged crankset & when we use our AL-7050-TV to fabricate with OCT the results are impressive. Pressfit 30 This is a new design led by SRAM. It’s all the best from BB30 & Press-Fit bottom brackets in one captivating package. This bottom bracket is designed for 30mm spindle cranksets. The key difference with Press Fit 30 is how the bearings are fitted into the frame. Bearings are housed in nylon cups which will be pressed into the frames bottom bracket shell. Press Fit 30 will feature an integrated seal, pre-assembled into the cups, to further prolong bearing life. Frames will need a 46mm inner-diameter bottom bracket shell to accommodate this system. Press Fit 30 for road will require a 68mm wide shell while Press Fit 30 for MTB will require a 73mm wide shell. Advantages: Huge weight savings, narrow Q-factor, more ankle clearance, greater bearing durability, stiffer/stronger crank construction, simple installation. Allows for larger diameter frame tubes increasing frame stiffness. Drawbacks: Still searching. Specifications: Arm
Material: AL-6066, Polished Chainring
Material: PG chainrings with hard-anodized coating Weight: 830g w/ BBAvailable Arm Lengths: 165mm, 170mm, 172.5mm, 175mm, 180mm Available Ratios: 53/39, 52/38, 52/36, 50/36, 50/34, 46/38