2018 Surly Midnight Special vs 2020 Trek Boone Disc Frameset
The 50 is the Trek Boone Disc Frameset size closest to your 40 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 Boone Disc Frameset
Compared with the Surly Midnight Special in 40, the Trek Boone Disc Frameset in 50 places the top of the head tube 3 mm higher and 12 mm further forward, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- +3 mm
- Higher front end
- Frame reach
- +12 mm
- Longer frame reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Surly Midnight Special is drawn. The Trek Boone Disc Frameset numbers we have for size 50 are missing the seat angle.
Geometry side by side
| Measurement | Surly Midnight Special 40 | Trek Boone Disc Frameset 50 | Difference |
|---|---|---|---|
| Reach | 363 | 375 | +12 mm |
| Stack | 531 | 534 | +3 mm |
| Head tube angle | 71.0 | 71.0° | ±0.0° |
| Seat tube angle | 75.5 | not listed | |
| Effective top tube | 500 | 518 | +18 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 993 | 1001 | +8 mm |
| BB drop | 70 | 70 | ±0 mm |
| Standover | 720 | 747 | +27 mm |
| Seat tube length | 400 | 476 | +76 mm |
| Fork length | 400 | not listed | |
| Head tube length | 95 | 110 | +15 mm |
Differences are the Trek Boone Disc Frameset minus the Surly Midnight Special. Full charts: 2018 Surly Midnight Special, 2020 Trek Boone Disc Frameset.
Where each sits in its class
Surly Midnight SpecialTrek Boone 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 Boone Disc FramesetBoone Disc Frameset |
|---|---|---|
| Frame | Surly Midnight Special | Trek OCLV |
| 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 IsoSpeed Cross |
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