SRAM RED Crank Arm Assembly - 172.5mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 MPFN-11A00294 } CNC machined in Whistler

} CNC machined in Whistler

5" 170 mm 15 x 110 mm 39 mm Offset Black

Tooth Count 32 Drivetrain Speeds 12 Defined Color Black Ring Position/Type Chain Retaining Single Ring Chainring BCD 94 Color Black Material Aluminum

Color Black/Stealth Material Synthetic Clamp Style Pivotal Defined Color Black Saddle Cut Out No Weight 306 Rail Material N/A

Surly Ultra New Rear Hubs Non-Disc

SRAM RED Crank Arm Assembly - 172.5mm 12-Speed 8-Bolt Direct Mount DUB Spindle Interface Natural Carbon E1 MPFN-11A00294 } CNC machined in WhistlerSRAMs lightest and stiffest crank arms Compatible with 8 bolt spiders, chainrings, and powermeters SRAM Model ID: FC RED ASSY E1 TECH SPECS BCD Direct Mount SRAM 8 Bolt Crank Arm Length 172. 5mm