2018 Surly Midnight Special vs 2020 Trek Crockett Disc Frameset
The 58 is the Trek Crockett Disc Frameset 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 Trek Crockett Disc Frameset
Compared with the Surly Midnight Special in 58, the Trek Crockett Disc Frameset in 58 places the top of the head tube at about the same height and 11 mm further back, relative to the bottom bracket.
- Frame stack
- −2 mm
- About the same height
- Frame reach
- −11 mm
- Shorter frame reach
- Wheelbase
- +1 mm
- About the same
- Head angle
- −0.7°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Surly Midnight Special is drawn. The Trek Crockett Disc Frameset numbers we have for size 58 are missing the seat angle.
Geometry side by side
| Measurement | Surly Midnight Special 58 | Trek Crockett Disc Frameset 58 | Difference |
|---|---|---|---|
| Reach | 402 | 391 | −11 mm |
| Stack | 599 | 597 | −2 mm |
| Head tube angle | 73.0 | 72.3° | −0.7° |
| Seat tube angle | 73.0 | not listed | |
| Effective top tube | 585 | 570 | −15 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 1027 | 1028 | +1 mm |
| BB drop | 65 | 65 | ±0 mm |
| Standover | 846 | 816 | −30 mm |
| Seat tube length | 580 | 553 | −27 mm |
| Fork length | 400 | not listed | |
| Head tube length | 160 | 176 | +16 mm |
Differences are the Trek Crockett Disc Frameset minus the Surly Midnight Special. Full charts: 2018 Surly Midnight Special, 2020 Trek Crockett Disc Frameset.
Where each sits in its class
Surly Midnight SpecialTrek Crockett Disc Frameset
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 | Trek Crockett Disc FramesetCrockett Disc Frameset |
|---|---|---|
| Frame | Surly Midnight Special | Trek Alpha |
| Shifter | SRAM Rival 22 | not listed |
| Derailleur | SRAM Rival 22 | not listed |
| Cassette | SunRace CS-MS8 | not listed |
| Chain | KMC X11 | not listed |
| Crankset | SRAM S390 | not listed |
| Chainring | SRAM Rival 22 | not listed |
| Bottom bracket | SRAM S390 | not listed |
| Wheelset | Alex Rims Adventurer 2 | not listed |
| Tire | WTB Horizon Road Plus | not listed |
| Brake | TRP Spyre | not listed |
| 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 | not listed |
| Fork | not listed | Trek Cross |
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