<!--ProdInc[300300206]/Mall:[backcountry_US]-->Now that 1x drivetrains are the defacto choice for mountain and cyclocross riders, SRAM sets it aims at providing road and gravel cyclist the same simplicity and weight savings with its Rival 1 group. The Rival 1 BB30 Crankset is the centerpiece of the group and turns your pedaling into the forward movement with precise aluminum construction and outstanding chain retention. <h3>Details</h3> SRAM 1x performance and a great price Aluminum construction keeps weight low and values high The narrow/wide ring provides excellent chain retention Crank designed for frames with BB30/PF30 frames Item #SRM008B <h3>Tech Specs</h3> Arm Material : aluminum Arm Length : 170, 172.5, 175mm Chainring Sizes : 42, 50t Bolt Circle Diameter : 110mm Bolts : 5 Rings : 1 BB Type : BB30/PF30 Spindle : 30mm Q Factor : 147.4mm Chainline : 45.5mm Compatible Components : 10, 11-speed SRAM chains Recommended Use : cycling Manufacturer Warranty : 2 years