SRAM RED 1 Crankset - 165mm 12-Speed 50t Aero Chainring 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutSpec= For Shimano/SRAM Color Black Number of Chainrings Size:29 X 2.20 This system integration allows EP1451 MFPN=8023019

SRAM RED 1 Crankset 165mm 12 Speed 50t Aero Chainring 8 Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 CheckoutSpec= For Shimano SRAM Color Black Number of Chainrings Size:29 X 2.20 This system integration allows EP1451 MFPN=8023019 Color Black Number of Chainrings No Rings No Spider Included Crank Length (mm) 170 Crank Intended Use Downhill Drivetrain Speeds 12 Drivetrain Speeds 11 Drivetrain Speeds 10 Drivetrain Speeds 9 Weight 690 BB Included No Pedal Spindle 9 16" Spindle Interface Type RaceFace Easton CINCH Chainring BCD Direct Mount CINCH Chainline Hub Compatibility 150 157 DH Hubs Chainline Hub Compatibility 157 Super Boost Hubs Defined Color Black keyword search RF151DH Multi ply 120tpi Nylon for lightness & rolling performance