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2023 Surly

Preamble Flat Bar

A 650b steel frame commuter bike with modest components and avid mechanical disc brakes.
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Manufacturer Price

$899
FrameSteel
SuspensionRigid
ForkSteel
Wheels650b Aluminum
Drivetrain1 × 8
GroupsetmicroSHIFT Acolyte
BrakesAvid Mechanical Disc
Where to Buy
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Insights
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

27 mph

Preamble Flat Bar

31 mph

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Highest gear

(descending)

Sizing
XS

5'0" – 5'5"

SM

5'4" – 5'8"

MD

5'7" – 6'1"

LG

5'10" – 6'3"

XL

6'2" – 6'8"

Rider Fit Notes

None yet.

Do you have this bike? Help other riders make a decision about which size will work for them by sharing your own size and fit notes.

Reviews
Bikerumor
Surly's Cross-Check is Dead. Long Live Cross-Checks, new Preamble & More Gravel to Come!

Oct 2023 · Cory Benson

R.I.P. Surly Cross-Check 1999-2023: A heartfelt eulogy to a pioneer of affordable adventurous gravel bike riding. But what comes next?

Read Review

Geometry
Specs
Build
Frame

Surly Preamble, 100% Chromoly steel tubing, E.D. coated

ColorsSkyrim Blue; Thorfrost White; Black

Fork

Surly Preamble, 100% Chromoly steel fork, Disc Only

Bottom Bracket

JIS 68 x 124.5mm

Headset

VP 1-1/8" Threadless

Stem

Kalloy 31.8

Handlebar

Kalloy, 35mm rise, 9-degree backsweep

Saddle

Selle Italia X-Base

Seatpost

Kalloy 27.2 x 300mm

TypeRigid

Groupset
Rear Derailleur

microSHIFT RD-M5185M

Front Derailleur

N/A

Crank

Samox, 3-piece, 40t

Shifters

microSHIFT Acolyte Xpress

Cassette

microSHIFT 12-42t, 8-speed

Chain

KMC Z8.3

Brakes

Avid BB5 Mechanical

TypeAvid Mechanical Disc

Brake Levers

Avid FR-5

Wheels
Rims

21mm, 32h, Tubeless Compatible

Front Hub

Novatec, 6-bolt disc, 32h, QR

Rear Hub

Novatec, 6-bolt disc, 32h, QR

Tires

Kenda Kwik Tendril 700c x 35mm (MD/LG/XL) & Kenda Standard 650b x 1.35 (XS/SM)

Disc Rotors

SRAM 160mm F/R

Rider Notes
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First added February 27

Last updated July 16

Not listed for 682 days