2017 Trek Crockett Disc Frameset vs 2018 Surly Midnight Special
The 54 is the Surly Midnight Special size closest to your 54 Trek Crockett Disc Frameset. 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 Surly Midnight Special
Compared with the Trek Crockett Disc Frameset in 54, the Surly Midnight Special in 54 places the top of the head tube at about the same height and 6 mm further forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- +6 mm
- Longer frame reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Crockett Disc Frameset numbers we have for size 54 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Crockett Disc Frameset 54 | Surly Midnight Special 54 | Difference |
|---|---|---|---|
| Reach | 383 | 389 | +6 mm |
| Stack | 562 | 560 | −2 mm |
| Head tube angle | 72.0° | 72.5 | +0.5° |
| Effective top tube | 544 | 555 | +11 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 1010 | 1018 | +8 mm |
| BB drop | 68 | 65 | −3 mm |
| Standover | 779 | 806 | +27 mm |
| Seat tube length | 513 | 540 | +27 mm |
| Head tube length | 138 | 125 | −13 mm |
| Seat tube angle | not listed | 73.5 | |
| Fork length | not listed | 400 |
Differences are the Surly Midnight Special minus the Trek Crockett Disc Frameset. Full charts: 2017 Trek Crockett Disc Frameset, 2018 Surly Midnight Special.
Where each sits in its class
Trek Crockett Disc FramesetSurly Midnight Special
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 | Trek Crockett Disc FramesetCrockett Disc Frameset | Surly Midnight SpecialMidnight Special |
|---|---|---|
| Frame | Trek Alpha | Surly Midnight Special |
| Fork | Trek IsoSpeed Cross | not listed |
| Shifter | not listed | SRAM Rival 22 |
| Derailleur | not listed | SRAM Rival 22 |
| Cassette | not listed | SunRace CS-MS8 |
| Chain | not listed | KMC X11 |
| Crankset | not listed | SRAM S390 |
| Chainring | not listed | SRAM Rival 22 |
| Bottom bracket | not listed | SRAM S390 |
| Wheelset | not listed | Alex Rims Adventurer 2 |
| Tire | not listed | WTB Horizon Road Plus |
| Brake | not listed | TRP Spyre |
| Rotor | not listed | TRP Spyre |
| Handlebar | not listed | Salsa Cowbell 3 |
| Stem | not listed | Promax DA-296 |
| Headset | not listed | Cane Creek 40 |
| Seatpost | not listed | Promax SP-2019 |
| Saddle | not listed | WTB Volt Sport |
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