SRAM Apex 1 Wide Crankset - 172.5mm 12-Speed 40t Direct Mount DUB Spindle Interface BLK D1 MPFN-18073-09 46 Spindle Interface Type Shimano

46 Spindle Interface Type Shimano Hollowtech II Weight 158 BB Shell Width (mm) 73 BB/Frame Interface PF30A

}Robert Axle Project Surly Gnot Boost Trainer Thru Axle - 151mm or 157mm

Shimano Sora RD-R3000 Rear DerailleursCompatible with Shimano 9-Speed STI levers

8 Series Disc Brake PadsDisconnected two piece back plate

SRAM Apex 1 Wide Crankset - 172.5mm 12-Speed 40t Direct Mount DUB Spindle Interface BLK D1 MPFN-18073-09 46 Spindle Interface Type ShimanoSingle ring drivetrain simplifies functionality and reduces weight Wide chainline crankset to fit the biggest gravel tires Longer DUB crank spindle accommodates both Road and MTB width frame bottom bracket standards for unmatched cross compatibility across brands Compatible with 135mm, 142mm, and Boost rear spacing X SYNC wide tooth, narrow tooth chainring technology provides maximum chain control DUB bottom bracket adds durability and simplicity SRAM