Surly MY19 Cross Check Frameset - A new take on the Surly Cross-Check, the Flat Bar Cross Check gives customers even more value and utility straight out the box.100% Surly 4130 chromoly frame, main triangle is double-butted; 1-1/8" threadless brazed chromoly forkBosses front and rear for cantilever or linear-pull brakes, rack and fender eyelets at the dropouts, dual water bottle mounts, eyelets at the crown, and fully threaded through-blade fork eyelets for a front rackClearance to run 700c x 45mm tires; 40mm with fendersIncludes Surly brake hanger, seatpost clamp, and dropout adjusting screwsSemi-horizontal dropouts with a derailleur hanger for geared or singlespeed drivetrains and/or wheelbase adjustabilityWorks with all single, double, and triple road or mountain cranksets