Steamroller

Frame:
Surly Steamroller

Fork/Headset:
Surly fork, FSA headset

Crankset/Bottom Bracket:
Omnium cranks, SRAM GXP bottom bracket

Drivetrain/Cog/Chainring/Chain:
All-City 46T chainring, SRAM single-speed chain, Gran Compe 17T cog

Handlebars/Stem:
Hyperlite 25.4 flat bars, Specialized stem

Saddle/Seatpost:
Cannondale saddle & seatpost

Front Wheel/Hub/Tire:
650b x 23, not sure what brand

Rear Wheel/Hub/Tire:
HED Belgium rim, Factory5 hub, Gatorskin tire 700c x 28