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2025 Surly Preamble Drop Bar Commuter Bike (Thorfrost White)

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Specifications

Specification

Details

Model

Preamble Drop Bar

Vehicle Category

Commuter Bike

Application

Commuting, road, light gravel

Starting Price (2025)

$1,199.00 USD

Color Options

Thorfrost White

Frame & Drivetrain

Specification

Details

Frame

Surly Preamble, 100% Chromoly steel tubing, Natch tubing, double-butted main triangle, TIG welded, E.D. coated

Fork

Surly Preamble, 100% Chromoly steel, Natch tubing, double-butted tapered fork blades, TIG welded, E.D. coated, 380mm axle-to-crown (XS-SM), 400mm axle-to-crown (MD-XL), 47mm offset (XS-SM), 44mm offset (MD-XL)

Drivetrain Compatibility

1x9 speed, compatible with 1x (47CL: 42T), 2x (47CL: 46/36T)

Dropouts

Gnot-Boost 138mm, 10x135mm or 10x141mm rear, 10x100mm front

Bottom Bracket

68mm BSA, threaded, Samox

Crankset

Samox, 3-piece, 40T

Chain

KMC Z9

Rear Derailleur

microSHIFT RD-M46S

Shifter

microSHIFT R400

Cassette

microSHIFT, 11-36T, 9-speed

Components & Features

Specification

Details

Seating

1 passenger (Selle Italia X Base saddle)

Fuel Type

Human-powered

Cargo Capacity

Supports racks, fenders, panniers, baskets, bags, 2 standard bottle mounts, fork crown and mid-blade rack mounts

Wheels/Tyres

Kenda Kwik Tendril 700c x 35mm (MD-XL), Kenda Standard 650b x 1.35" (XS-SM)

Wheel Size

650b (XS-SM), 28" (700c) (MD-XL)

Alternate Wheel/Tyre Sizes

650b x 41mm (XS-SM), 700c x 41mm (MD-XL)

Brakes

Avid BB7 Mechanical, disc, 160mm front/rear rotors, 6-bolt

Brake Levers

microSHIFT R400-L and R-490-R

Handlebar

Salsa Cowbell

Stem

Kalloy, 31.8mm

Headset

VP 1-1/8" Threadless, EC34/28.6 upper, EC34/30 lower

Saddle

Selle Italia X Base

Seatpost

Kalloy, 27.2 x 300mm

Seatpost Clamp

Surly Stainless, 30.0mm

Grips

Black Cork

Front Hub

Novatec, 6-bolt disc, 32H, QR, 10x100mm

Rear Hub

Novatec, 6-bolt disc, 32H, QR, 10x135mm or 10x141mm

Rims

21mm, 32H

Interior Features

2 standard bottle mounts

Exterior Features

Front and rear fender mounts, fork crown and mid-blade rack mounts

* All the images are screenshots!
* Data has been taken from official website (Publicly Available)!