2018 Surly Midnight Special vs 2020 Trek Boone Disc
The 56 is the Trek Boone Disc size closest to your 56 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
Compared with the Surly Midnight Special in 56, the Trek Boone Disc in 56 places the top of the head tube at about the same height and 6 mm further back, relative to the bottom bracket. Its wheelbase is 8 mm longer, which can contribute to stability at speed.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- −6 mm
- Shorter frame reach
- Wheelbase
- +8 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Surly Midnight Special is drawn. The Trek Boone Disc numbers we have for size 56 are missing the seat angle.
Geometry side by side
| Measurement | Surly Midnight Special 56 | Trek Boone Disc 56 | Difference |
|---|---|---|---|
| Reach | 393 | 387 | −6 mm |
| Stack | 580 | 580 | ±0 mm |
| Head tube angle | 73.0 | 72.0° | −1.0° |
| Seat tube angle | 73.0 | not listed | |
| Effective top tube | 570 | 558 | −12 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 1012 | 1020 | +8 mm |
| BB drop | 65 | 68 | +3 mm |
| Standover | 827 | 796 | −31 mm |
| Seat tube length | 560 | 533 | −27 mm |
| Fork length | 400 | not listed | |
| Head tube length | 140 | 157 | +17 mm |
Differences are the Trek Boone Disc minus the Surly Midnight Special. Full charts: 2018 Surly Midnight Special, 2020 Trek Boone Disc.
Where each sits in its class
Surly Midnight SpecialTrek Boone Disc
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 Disc5 Disc |
|---|---|---|
| Frame | Surly Midnight Special | Trek OCLV |
| Shifter | SRAM Rival 22 | SRAM Rival |
| Derailleur | SRAM Rival 22 | SRAM Rival 1 |
| Cassette | SunRace CS-MS8 | SRAM PG 1130 |
| Chain | KMC X11 | SRAM PC-1130 |
| Crankset | SRAM S390 | Praxis Alba M24 |
| Chainring | SRAM Rival 22 | not listed |
| Bottom bracket | SRAM S390 | Trek BB90 |
| Wheelset | Alex Rims Adventurer 2 | not listed |
| Tire | WTB Horizon Road Plus | Bontrager CX3 Team Issue |
| Brake | TRP Spyre | SRAM Rival |
| Rotor | TRP Spyre | not listed |
| Handlebar | Salsa Cowbell 3 | Bontrager Comp VR-C |
| Stem | Promax DA-296 | not listed |
| Headset | Cane Creek 40 | not listed |
| Seatpost | Promax SP-2019 | Bontrager Tuned seatmast cap |
| Saddle | WTB Volt Sport | Bontrager Montrose |
| Fork | not listed | Trek IsoSpeed Cross |
| Rim | not listed | Bontrager Affinity |
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