Sram, AM FC X01 Eagle SB+ Dub 165 LNROXY 32 Unisex Adult, Black, One Size

56.5mm chainline DUB technology creates a lighter, stiffer and stronger crankset Carbon-tuned lay-up crank design provides extreme stiffness and light weight Included direct mount X-SYNC 2 chainring provides significantly quieter performance, with better mud clearing and durability Chainring is designed specifically for Eagle chains and drivetrains