- Surly Preamble All-Road Flat Bar full bike
The challenge was clear: Build a solid steel bike and equip it only with the attributes that truly matter. Make it fast and comfortable on pavement while being confident and compliant on rougher surfaces. The result is the Preamble, a pavement and gravel all-rounder that shows you don’t need to cut corners or pinch pennies to create an affordable steel bike – you just need to keep it simple.
The Preamble can accommodate racks, fenders, and two water bottles. Smooth and efficient on asphalt, its double-butted main triangle delivers a great ride feel and stands up to life’s inevitable bumps. It’s customizable with flat bars, drop bars, baskets, or bags. On the path to steel euphoria, the Preamble is the first step.
Built Kit:
Frameset Frame Surly Preamble, 100% Chromoly steel tubing, E.D. coated Fork Surly Preamble, 100% Chromoly steel fork, Disc Only Seatpost Clamp Surly Stainless 30.0 Components Headset VP 1-1/8" Threadless Brakes Avid BB5 Mechanical Brake levers Avid FR-5 Rotors SRAM 160mm F/R Shifters microSHIFT Acolyte Xpress Stem Kalloy 31.8 Handlebar Kalloy, 35mm rise, 9-degree backsweep Grip/Tape Black Rubber Saddle Selle Italia X-Base Seatpost Kalloy 27.2 x 300mm Drivetrain Crankset Samox, 3-piece, 40t Bottom Bracket JIS 68 x 124.5mm Front derailleur N/A Rear derailleur microSHIFT RD-M5185M Cog or cogset microSHIFT 12-42t, 8-speed Chain KMC Z8.3 Wheels Front hub Novatec, 6-bolt disc, 32h, QR Rear hub Novatec, 6-bolt disc, 32h, QR Rims 21mm, 32h Tires Kenda Kwik Tendril 700c x 35mm (MD/LG/XL) & Kenda Standard 650b x 1.35 (XS/SM)
Frame Spec:
Frame Construction 100% Surly Chromoly steel, Natch tubing, double-butted main triangle, TIG welded, E.D. coated Fork Construction 4130 Chromoly, Natch tubing, double-butted tapered fork blades, TIG welded, ED coated Rear Dropout Configuration Vertical Rear Hub Spacing "Gnot-Boost"138mm, 10 x 135mm or 10 x 141mm Front Hub Spacing 10 x 100mm Rear Brake Disc - 51mm I.S. (180mm max rotor) Front Brake Disc - 51mm I.S. (203mm max rotor) Headtube Ø34mm Steerer Tube Ø28.6mm Crown Race 30mm (1-1/8") Stock Headset Upper (S.H.I.S) EC34/28.6 Stock Headset Lower (S.H.I.S) EC34/30 Seat Collar Ø30.0mm Seatpost Ø27.2mm Front Derailleur (Clamp) High direct mount top-pull (Ø28.6mm), 26mm offset adapter (included) for 135mm rear hub spacing, 29mm offset adapter (not included) for 141mm rear hub spacing Max Chainring (CL) [3] 1x (47CL): 42T, 2x (47CL): 46/36T Bottom Bracket 68mm BSA, threaded Tire Clearance Frame [1]/[2] XS-SM frames: 650b x 41mm (with or without fenders), MD-XL frames: 700c x 41mm (with or without fenders) Tire Clearance Fork [1] XS-SM frames: 650b x 47mm (with or without fenders), MD-XL frames: 700c x 44mm (with or without fenders) Bottle Mounts Frame 2 Standard Rack Mounts Frame Yes Rack Mounts Fork Fork crown and mid-blade rack mounts and fender mounts Fender Mounts Frame Yes Fender Mounts Fork Fork crown and mid-blade rack mounts and fender mounts
Frame Geometry:
SIZE XS SM MD LG XL Rider Height 1524–1651 1625.6–1727.2 1701.8–1828.8 1803.4–1905 1879.6–2006.6 Reach 352 381 391 404 421 Stack 517 535 567 605 643 Head Tube Angle 70.0° 71.0° 72.0° 72.0° 72.0° Head Tube Length 120 135 130 170 210 Seat Tube Length 410 505 565 605 645 BB Drop 54 54 66 66 66 Wheelbase 987 1013 1030 1055 1085 Chainstay Length 420 420 435 435 435 Top Tube Length, Effective 500 545 570 600 630 Seat Tube Angle 74.0° 73.0° 72.5° 72.0° 72.0° Standover Height 722 776 826 863 901 Stem Length 80 90 90 100 100 Stem Angle 7° 7° 7° 7° 7° Handlebar Width 700 700 720 720 720 Crank Length 165 170 170 175 175 Fork Length 380 380 400 400 400 Fork Rake 47 47 44 44 44
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Preamble Instructions Overview 
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Surly is an American manufacturer of bicycle frames and components, known for its robust and versatile products since its founding in 1998 in Bloomington, Minnesota. The company has built a reputation by specializing in steel frames, which are appreciated for their durability, comfort, and ability to carry heavy loads. Surly is particularly popular in the bikepacking and touring communities, but also among commuters and adventure cyclists.
One of Surly’s most well-known products is the Surly Long Haul Trucker, a touring bike renowned for its exceptional stability and ability to carry heavy loads over long distances. Another popular model is the Surly Pugsley, one of the first mass-produced fat bikes, specifically designed for use in snow and sand. Surly also offers the Surly Karate Monkey, a versatile mountain bike suitable for both trail riding and bikepacking adventures.
In addition to bicycle frames, Surly produces a wide range of bicycle components, such as forks, handlebars, racks, and rims. These components are known for their durability and longevity and are often used by cyclists looking to equip their bikes for extreme conditions or long journeys. With a strong focus on functionality and durability, Surly has established itself as a trusted brand in the cycling world. - Manufacturer:
QUALITY BICYCLE PRODUCTS INC.
6400 W 105th Street
Bloomington, MN 55438
USA
Website:
www.surlybikes.com
Responsible person:
Cosmic Sports GmbH
Leyher Str. 47
90763 Fürth
Deutschland
E-Mail:
info@cosmicsports.de
Phone:
0911 3107550
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