New Sram X1 1000 Eagle DUB SB+ Crankset 170mm 32t Super Boost 157 11/12s

X1 1000 Eagle DUB SB+ Crankset MODEL ID: FC-X-1001-D1 CRANK ARM LENGTH 170mm CHAINLINE 56.5mm BB SPINDLE INTERFACE DUB SB+ SPEEDS 11/12 CHAINRING MATERIAL Aluminum BOLT CIRCLE DIAMETER (BCD) Direct Mount (DM) CHAINRING SIZE 32T "DUB SB+" denotes DUB Superboost, indicating that this crank is designed for compatibility with a superboost frameset, which typically has a rear dropout spacing of 157mm (9mm wider than the standard 148mm boost, equating to 4.5mm wider on each side). Consequently, the chainline of this crankset measures 56.5mm, which is 4.5mm wider than the standard 148mm boost chainline. Choose a SRAM bottom bracket compatible with a 73mm shell