Want immense performance across a broad variety of bikes and disciplines? Then check out the SRAM Rival 22 BB30 Compact Crankset. It provides the technology, efficiency and versatility that dedicated cyclists demand to meet each challenge and expand their limits. X-GlideR chainrings are 5mm thick for superb stiffness and constructed with 7075-T6 aluminum for rock-solid performance. Each tooth's thickness is precisely CNC-machined to support the chain's inner and outer links perfectly for maximum chain control. As a result, shifts are smoother, faster and feel more direct and precise. Aluminum arms are joined to a machined alloy spider for high rigidity and weight-savings. The SRAM Rival 22 BB30 Compact Crankset, SRAM PC-1130 Chain and SRAM Rival 22 Yaw Front Derailleur are designed to work in unison for ultimate performance.