The new SRAM Rival 22 groupset delivers immense performance across a broad variety of bikes and disciplines. Paved or not. Cyclocross or triathlon. Road racing or unchartered journeys. Rival 22 provides the ergonomics, efficiency and technology for finely tuned cyclists to meet each challenge and expand their limits. Dedicated cyclists' demands are different not less than the pro's. Their demands change and evolve with their riding and performance, whether they're race ready or adventure ready. So why settle for a group that's simply ratcheted-down to 75 percent of what the pros ride? Rival 22 delivers 100 percent of what cyclists demand.Besides serious weight savings, this bottom bracket means narrow Q-factor, more ankle clearance, greater bearing durability and stronger crank construction.GXP’s Gutter Seal design cuts friction and weight—improving both feel and performanceA variant of the external GXP bottom bracket, PressFit cuts weight by up to 40 grams and eases installation by allowing you to press the bearing cups into the frame instead of threading them. It requires no change to the crank spindle length and diameter.This is a new design led by SRAM. It’s all the best from BB30 and Press-Fit bottom brackets in one captivating package. This bottom bracket is designed for 30mm spindle cranksets. The key difference with PressFit 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. PressFit 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.