SRAM Crank GX Boost 148 12S W/Direct Mount 32T X-Sync 2 Chainring Cups 170 MM
Simply put, the forged aluminum GX Eagle™ DUB™ crankset is the no frills choice of riders who know. Chainring Size: 32. Chainring material: Aluminum. Crank arm length: 165mm, 170mm, 175mm. Crank arm material: Aluminum.