SRAM RED 1 Crankset - 160mm 12-Speed 50t Aero Chainring 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 MFPN=00.4020.558.007 model Turbo Bonnie idmatch L1

model Turbo Bonnie idmatch L1 rails FeC Alloy top leather color black LxW (mm) 275x146 weight 358g

and 12-speed chains based on tooth profile selection

Valais limits the dropper travel by at least 25mm

Original equipment rear derailleur pulleys for SRAM rear derailleurs

SRAM RED 1 Crankset - 160mm 12-Speed 50t Aero Chainring 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 MFPN=00.4020.558.007 model Turbo Bonnie idmatch L1Single ring drivetrain simplifies functionality and reduces weight Direct mount aero chainrings for better aerodynamics X SYNC wide tooth, narrow tooth chainring technology provides maximum chain control Ultra light hollow carbon fiber crankarms are 29 g lighter than previous generation DUB bottom bracket adds durability and simplicity Can be upgraded to a power meter SRAM Model ID: FC RED 1 E1 TECH SPECS BCD Direct Mount SRAM 8 Bolt Crank Arm Length