Quiver

2018 Surly Midnight Special vs 2019 Specialized Crux

The 49 is the Specialized Crux size closest to your 50 Surly Midnight Special. We match frame stack and reach. This is a geometry comparison, not a fit recommendation; stem, spacers, handlebars and saddle setup also affect your riding position.

What changes on the Specialized Crux

Compared with the Surly Midnight Special in 50, the Specialized Crux in 49 places the top of the head tube 4 mm lower and 10 mm further back, relative to the bottom bracket.

Frame stack
−4 mm
Lower front end
Frame reach
−10 mm
Shorter frame reach
Wheelbase
±0 mm
About the same
Head angle
−1.5°
Slacker: calmer steering
Chainstays
±0 mm
About the same

The two frames

2018 Surly Midnight Special (50) and 2019 Specialized Crux (49), lined up at the bottom bracketBoth frames drawn to scale. The Surly Midnight Special is drawn in full with its measurements, and the Specialized Crux is the colored outline on top.J 1007

Surly Midnight Special, 50Specialized Crux, 49Drawn to scale and lined up at the bottom bracket.

Geometry side by side

MeasurementSurly Midnight Special 50Specialized Crux 49Difference
Reach379369mm−10 mm
Stack544540mm−4 mm
Head tube angle72.070.5°−1.5°
Seat tube angle73.575.5°+2.0°
Effective top tube540509mm−31 mm
Chainstay length425425mm±0 mm
Wheelbase10071007mm±0 mm
BB drop6571mm+6 mm
Standover778781.5mm+4 mm
Seat tube length500490mm−10 mm
Fork length400400mm±0 mm
Head tube length110115mm+5 mm
BB heightnot listed281.5mm

Differences are the Specialized Crux minus the Surly Midnight Special. Full charts: 2018 Surly Midnight Special, 2019 Specialized Crux.

Where each sits in its class

Surly Midnight SpecialSpecialized Crux

AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted

Each bike is ranked against the other gravel bikes on Quiver, on frame geometry alone. Not your hand position or ride feel.

What each ships with

The stock build of each bike's first listed trim. Parts that match are dimmed.

PartSurly Midnight SpecialMidnight SpecialSpecialized CruxS-Works
FrameSurly Midnight Specialnot listed
ShifterSRAM Rival 22Shimano Dura-Ace R9170 Di2 shift
DerailleurSRAM Rival 22Shimano XTR M9050 Di2
CassetteSunRace CS-MS8Shimano Ultegra
ChainKMC X11Shimano Dura-Ace
CranksetSRAM S390Specialized S-Works Power
ChainringSRAM Rival 22Praxis Wave Tech
Bottom bracketSRAM S390not listed
WheelsetAlex Rims Adventurer 2Roval CLX 50
TireWTB Horizon Road PlusSpecialized Tracer Pro
BrakeTRP SpyreShimano Dura-Ace
RotorTRP Spyrenot listed
HandlebarSalsa Cowbell 3not listed
StemPromax DA-296not listed
HeadsetCane Creek 40not listed
SeatpostPromax SP-2019not listed
SaddleWTB Volt SportSpecialized S-Works Phenom

Know what is on every bike.

Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.

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