Surly Preamble Flat Bar Milky Lemonade
Description
The Preamble Flat Bar - Milky Lemonade is a reliable, versatile steel bike for commuters, road riders and gravel beginners. Robust, comfortable and uncomplicated - an ideal everyday bike with a genuine Surly riding experience.
Current delivery date: May 2026 - pre-order
Sizes - Tyre capacity
- Frame XS-S: 650B × 41 mm
- Frame M-XL: 700C × 41 mm
Specifications - small changes are possible
Frame & Fork
- Frame: Surly Preamble, 100% Surly Chromoly Steel, Natch Tubing, double butted, TIG welded, E.D. coated
- Colour: Milky Lemonade
- Fork: Surly Preamble Chromoly, Natch Tubing, double butted fork blades, TIG-welded, E.D.-coated
Geometry & wheels
- Wheel sizes:
- XS-S: 650B
- M-XL: 700C
- Top tube: Sloping on XS/S for better standover
- Dropout: Custom-Cast Vertical Dropout
Tyre capacity
- XS-S frame: 650B × 41 mm (with/without mudguards)
- Frame M-XL: 700C × 41 mm (with/without mudguards)
- Fork: up to 42 mm (650B or 700C, with/without mudguards)
Cockpit & contact points
- Headset: FSA Orbit MX
- Seat clamp: Surly Stainless 30.0
- Seatpost: Kalloy 27.2 × 300 mm (0 mm offset XS-M / 12 mm offset L-XL)
- Stem: Kalloy AL 31.8 mm
- Handlebars: Kalloy AL, 9° backsweep, 35 mm rise
- Grips: Velo Black
- Saddle: WTB Volt Wide
Drivetrain & gears
- Rear derailleur: Shimano CUES U4000 GS
- Cassette: Shimano CUES LG400, 11-46T, 9-speed
- Chain: Shimano LG500
- Crank: Shimano CUES U4000, 40T
- Shift lever: Shimano CUES U4000
- Bottom bracket: Shimano UN101, 68 mm BSA
Brakes
- Brake lever: Tektro M275/276 hydraulic
- Brakes: Tektro M275/276, 2-piston
- Brake discs: Tektro 160/160 mm, centre lock
Wheels & tyres
- Front hub: Shimano MT200, QR 100 mm, centre lock, 32h
- Rear hub: Shimano QC400, QR 141 mm, centre lock, 32h
- Rims: Shining DB-21, 32h
- Tyres:
- XS-S: Teravail Washburn 650B × 35
- M-XL: Teravail Washburn 700C × 35
- Spokes: 14G Black
Wheel weight
- Complete wheel (size M): 27 lb 7 oz (approx. 12.4 kg)
*Specifications are subject to change without notice
The Surly Preamble Flat Bar- Milky Lemonade is a versatile, everyday steel bike for commuting, road and light gravel. The robust chromoly steel frame provides a smooth, durable ride, while the modern geometry offers stability on tarmac and safety on rougher trails. With mounting points for pannier rack, mudguards and bottle cage, it's ideal for commuting, touring and custom builds.
Highlights of the Surly Preamble Flat Bar - Milky Lemonade
- 100% Surly chromoly steel with double-butted main frame for long-lasting comfort and a smooth ride.
- Flat bar geometry for maximum control in city traffic, on commuting routes and on light gravel paths.
- 650B (XS-S) and 700C (M-XL) for optimum riding dynamics depending on frame size.
- Mounting points for pannier rack, mudguards and bottle cage, ideal for everyday use, commuting and touring.
- Hydraulic Tektro disc brakes for reliable braking performance in all weathers.
- Shimano CUES 9-speed drivetrain - robust, low-maintenance and perfect for everyday use.
- Teravail Washburn tyres for efficient rolling on asphalt and grip on gravel.
- Milky Lemonade paint finish - modern, fresh design with classic Surly character.
- T-shirt sizing (XS-XL) for easy size selection and a good fit.
Why the Preamble Flat Bar?
The Preamble Flat Bar is the right choice if you want a bike that simply works - without frills, but with real quality.
- More control in everyday life: The Flat Bar offers an upright, secure riding position - ideal for city traffic, stop-and-go and tight situations.
- Perfect for commuters: Stable, comfortable, puncture-proof and with all the necessary mounting points for everyday equipment.
- As versatile as a gravel bike: It masters easy terrain, gravel paths and poor roads with ease.
- Low-maintenance & durable: Steel frame, CUES drive and hydraulic brakes are designed to last for many years.
- Beginner-friendly: Easy to ride, easy to maintain, easy to set up.
- Typical Surly: Robust, honest, functional - a bike that lasts a long time and can withstand a lot.