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2024 Surly

Midnight Special 650b

A steel frame gravel bike with upper mid-range components and trp mechanical disc brakes.
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Manufacturer Price

$2,349
FrameSteel
SuspensionRigid
ForkSteel
Wheels650b Aluminum
Drivetrain1 × 11
GroupsetRival
BrakesTRP Mechanical Disc
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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)

30 mph

Midnight Special 650b

36 mph

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Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

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Reviews
BikeRadar
Surly Midnight Special review: a sublime steel all-roader – but can you live with the weight? | BikeRadar

May 2025 · Warren Rossiter

The Midnight Special is another Surly that’s aimed at the road but can go much further

Highs
  • Smooth ride

  • Massive range of sizes

  • Big tyre clearance for the road

Lows
  • Weighty compared to alloy or carbon

Read Review

Specs
Build
Frame

4130 CroMoly, double-butted main triangle, ED coated, TIG-welded

Tire Clearance42c (700c) / 50c (27.5″)

ColorsHi-Viz Black; Fool's Gold; Black

Fork

4130 CroMoly, ED coated, TIG-welded

Bottom Bracket

SRAM GXP

Headset

Cane Creek 40, 1-1/8"

Stem

ProMax, 31.8 4 bolt

Handlebar

Salsa Cowbell 3

Saddle

WTB Volt Sport

Seatpost

Promax, ProMax SP-2019 27.2x300mm non-offset (for 40-50), ProMax SP-2016 27.2x300mm offset (for 54-64cm)

TypeRigid

Groupset
Rear Derailleur

SRAM Rival 1

Front Derailleur

n/a

Crank

SRAM Rival 1 40T

Shifters

SRAM Rival 1

Cassette

SunRace 11-42t

Chain

KMC X11

Brakes

TRP Spyre, 160mm rotors

TypeTRP Mechanical Disc

Brake Levers

SRAM Rival 1

Wheels
Rims

Alex Adventurer 2, Tubeless ready, 32H

Front Hub

Novatech D791, 12mm Thru, 32H

Rear Hub

Novatech D792, 142mm Thru, 32H

Tires

WTB Horizon, 650b x 47, tan wall

Rider Notes
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First added March 15

Last updated March 29

Not listed for 426 days