Surly Preamble Flat Bar Milky Lemonade

The Preamble Flat Bar – Milky Lemonade is a reliable, versatile steel bike for commuters, road cyclists and gravel newcomers. Sturdy, comfortable and straightforward – an ideal everyday bike with that genuine Surly ride feel.

Current delivery date: In stock

Sizes –Tyre clearance

• Frame XS–S: 650B × 41 mm

• Frames M–XL: 700C × 41 mm

Only a limited number of units are available, even for pre-orders.

Specifications – minor 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 legs, TIG-welded, E.D.-coated

Geometry & Wheels

• Wheel sizes:

• XS–S: 650B

• M–XL: 700C

• Top tube: Sloping on XS/S for better standover height

• Dropout: Custom-cast vertical dropout

Tyre clearance

• XS–S frames: 650B × 41 mm (with/without mudguards)

• Frames 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

• Seatpost 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

• Crankset: Shimano CUES U4000, 40T

• Shift lever: Shimano CUES U4000

• Bottom bracket: Shimano UN101, 68 mm BSA

Brakes

• Brake levers: 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

Weight

• Complete bike (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 suitable for commuting, road cycling and light gravel riding. The robust chromoly steel frame ensures a smooth, durable ride, whilst the modern geometry offers stability on tarmac and confidence on rougher trails. With mounting points for a luggage rack, mudguards and bottle cages, it’s ideal for commuting, touring and custom set-ups.

Highlights of the Surly Preamble Flat Bar – Milky Lemonade

• 100% Surly chromoly steel with a double-butted main frame for long-lasting comfort and a smooth ride.

• Flat-bar geometry for maximum control in city traffic, on commutes and on light gravel tracks.

• 650B (XS–S) and 700C (M–XL) for optimal riding dynamics depending on frame size.

• Mounting points for luggage racks, mudguards and bottle cages, ideal for everyday use, commuting and touring.

• Hydraulic Tektro disc brakes for reliable braking performance in all weather conditions.

• Shimano CUES 9-speed drivetrain – robust, low-maintenance and perfect for everyday use.

• Teravail Washburn tyres for efficient rolling on tarmac and grip on gravel.

• Milky Lemonade paint finish – a modern, fresh design with classic Surly character.

• T-shirt sizing (XS–XL) for easy size selection and a great fit.

Why the Preamble Flat Bar?

The Preamble Flat Bar is the right choice when you want a bike that simply works – no frills, just genuine quality.

• More control in everyday riding: The flat bar offers an upright, secure riding position – ideal for city traffic, stop-and-go riding and tight spaces.

• Perfect for commuters: Sturdy, comfortable, puncture-resistant and featuring all the necessary mounting points for everyday kit.

• As versatile as a gravel bike: it handles light terrain, gravel tracks and rough roads with ease.

• Low-maintenance & durable: The steel frame, CUES drivetrain and hydraulic brakes are built to last for many years.

• Beginner-friendly: Easy to ride, easy to maintain, easy to assemble.

• Typical Surly: Robust, honest, functional – a bike that’s built to last and can take a lot of wear and tear.