2018 Surly Midnight Special vs 2019 Specialized Crux
The 58 is the Specialized Crux size closest to your 58 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 58, the Specialized Crux in 58 places the top of the head tube at about the same height and 7 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm longer, which can contribute to stability at speed.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- −7 mm
- Shorter frame reach
- Wheelbase
- +7 mm
- Longer: steadier at speed
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Surly Midnight Special, 58Specialized Crux, 58Drawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Surly Midnight Special 58 | Specialized Crux 58 | Difference |
|---|---|---|---|
| Reach | 402 | 395mm | −7 mm |
| Stack | 599 | 597mm | −2 mm |
| Head tube angle | 73.0 | 72.5° | −0.5° |
| Seat tube angle | 73.0 | 73° | ±0.0° |
| Effective top tube | 585 | 578mm | −7 mm |
| Chainstay length | 425 | 425mm | ±0 mm |
| Wheelbase | 1027 | 1034mm | +7 mm |
| BB drop | 65 | 67mm | +2 mm |
| Standover | 846 | 840.5mm | −6 mm |
| Seat tube length | 580 | 570mm | −10 mm |
| Fork length | 400 | 400mm | ±0 mm |
| Head tube length | 160 | 170mm | +10 mm |
| BB height | not listed | 285.5mm |
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
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.
| Part | Surly Midnight SpecialMidnight Special | Specialized CruxS-Works |
|---|---|---|
| Frame | Surly Midnight Special | not listed |
| Shifter | SRAM Rival 22 | Shimano Dura-Ace R9170 Di2 shift |
| Derailleur | SRAM Rival 22 | Shimano XTR M9050 Di2 |
| Cassette | SunRace CS-MS8 | Shimano Ultegra |
| Chain | KMC X11 | Shimano Dura-Ace |
| Crankset | SRAM S390 | Specialized S-Works Power |
| Chainring | SRAM Rival 22 | Praxis Wave Tech |
| Bottom bracket | SRAM S390 | not listed |
| Wheelset | Alex Rims Adventurer 2 | Roval CLX 50 |
| Tire | WTB Horizon Road Plus | Specialized Tracer Pro |
| Brake | TRP Spyre | Shimano Dura-Ace |
| Rotor | TRP Spyre | not listed |
| Handlebar | Salsa Cowbell 3 | not listed |
| Stem | Promax DA-296 | not listed |
| Headset | Cane Creek 40 | not listed |
| Seatpost | Promax SP-2019 | not listed |
| Saddle | WTB Volt Sport | Specialized 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.
Explore the app



