Designed to introduce unfamiliar riders to Surly’s pavement and gravel line, Preamble highlights Surly’s most essential features: Durable custom steel tubing, a renowned ride feel, and just the right mounts for running racks, fenders, and bottle cages. Available in flat-bar and drop-bar configurations, it’s disc-brake specific and shares a single-position vertical dropout with Surly Bridge Club. For new weekend riders and veteran commuters, Preamble makes it easier than ever to get out of the car and on top of tough and comfortable Chromoly steel.- 100% Surly Chromoly steel frame and fork; double-butted main triangle- Five frame sizes to fit nearly every size rider (XS, S, M, L, XL), with a slightly sloped top tube on XS and Small frames for improved standover and comfort- Friendly with 1x and 2x drivetrains- Mounts for racks, fenders, and two bottle cages (located on the seat tube and down tube)- Clearance for 650b x 41mm tires on XS–S frame sizes (650b x 38mm with fenders); 700c x 41mm tires on M–XL frame sizes (700c x 38mm with fenders) Frame Surly Preamble Flat Bar - 4130 Chromoly, Natch tubing, double-butted main triangle, TIG welded, ED coated Fork Surly Preamble - 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated Rims Jalco XCD21 Hubs Shimano HB-MT200, 32h, QR x 100mm, CenterLock / Shimano FH-MT200-B ,32h, QR x 141mm, CenterLock Spokes 14 Gauge Black Tires "XS-SM: MSW Hybrid 650b x 35mm MD-XL: MSW Hybrid 700c x 35mm" Bottom Bracket Surly Preamble - 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated Crankset Shimano CUES U4000-1, 40t Shifters Shimano CUES U4000, 1x9 Rear Derailleur Shimano CUES U4000 GS Cassette/Freewheel Shimano Linkglide LG300, 11-41t 9sp Chain Shimano Linkglide LG500 Brakes Tektro Hydraulic M275/276 Rotors Tektro Centerlock, 160mm F/R Brake Levers Tektro Hydraulic M275/276 Handlebars Kalloy 6061 PGW, 9-degree backsweep, 35mm rise Tape/Grips Velo Black Rubber Stem Kalloy 31.8mm Headset VP 1-1/8" Seatpost Kalloy 27.2 x 300mm non-offset (XS-MD), offset (LG-XL) Saddle Selle Italia X-Base Boost Pedals Sold Separately
