steel flat bar gravel bike Preamble Flat Bar Bike

steel flat bar gravel bike Preamble Flat Bar BikeDesigned to introduce unfamiliar riders to Surlys pavement and gravel line, Preamble highlights Surlys 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, its disc brake specific and shares a single position vertical dropout with Surly Bridge Club. For new weekend riders and veteran commuters, Preamble

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 (with or without fenders); 700c x 41mm tires on M–XL frame sizes (with or without fenders)

BUILD KIT:

• Frame: Surly Preamble - 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
• Color: Best Buds Green
• Rear Derailleur: Shimano CUES U4000 GS
• Cassette: Shimano Linkglide LG300, 11-41t 9sp
• Chain: Shimano Linkglide LG500
• Crankset: Shimano CUES U4000-1, 40t
• Bottom Bracket: Shimano Square Taper BB-UN101
• Shifter: Shimano CUES U4000, 1x9
• Brakes and Rotors: Tektro Hydraulic M275/276, Tektro Centerlock, 160mm F/R
• Headset: VP 1-1/8"
• Stem: Kalloy 31.8mm
• Handlebar: Kalloy 6061 PGW, 9-degree backsweep, 35mm rise
• Grips / Bar Tape: Velo Black Rubber
• Seatpost: Kalloy 27.2 x 300mm non-offset (XS-MD), offset (LG-XL)
• Saddle: Selle Italia X-Base Boost
• Front Hub: Shimano HB-MT200, 32h, QR x 100mm, CenterLock
• Rear Hub: Shimano FH-MT200-B, 32h, QR x 141mm, CenterLock
• Rims: Jalco XCD21
• Tires: XS-SM: MSW Hybrid 650b x 35mm, MD-XL: MSW Hybrid 700c x 35mm

SIZING: Surly recommends the following sizes based on rider height

• XS: 5'0" - 5'5"
• SM: 5'4" - 5'8"
• MD: 5'7" - 6'0"
• LG: 5'11" - 6'3"
• XL: 6'2" - 6'7"