The Surly Cross Check.
Works with all single, double and triple road or mountain cranksets Includes Surly seatpost clamp, and dropout adjusting screws 100% Surly 4130 chromoly frame, main triangle is double-butted; 1-1/8" threadless brazed chromoly fork Bosses front and rear for cantilever or linear-pull brakes, eyelets at the dropouts, dual water bottle mounts, and fully threaded through-blade fork eyelets for a front rack Semi-horizontal dropouts with a derailleur hanger for geared or singlespeed drivetrains and/or wheelbase adjustability Clearance to run 700c x 45mm tires; 40mm with fenders 132.9 , 528 Defined Color: Black Mfg Size: 46 Rear Axle: QR x 135mm Frame Type: Rigid A cross bike by design but with a strong utilitarian appeal.