2016 Trek Boone Disc vs 2018 Surly Midnight Special
The 46 is the Surly Midnight Special size closest to your 50 Trek Boone Disc. 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 Boone Disc in 50, the Surly Midnight Special in 46 places the top of the head tube 4 mm higher and 9 mm further back, relative to the bottom bracket. Its wheelbase is 7 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- +4 mm
- Higher front end
- Frame reach
- −9 mm
- Shorter frame reach
- Wheelbase
- −7 mm
- Shorter: quicker to change direction
- 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 Boone Disc numbers we have for size 50 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Boone Disc 50 | Surly Midnight Special 46 | Difference |
|---|---|---|---|
| Reach | 375 | 366 | −9 mm |
| Stack | 534 | 538 | +4 mm |
| Head tube angle | 71.0° | 71.5 | +0.5° |
| Effective top tube | 518 | 520 | +2 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 1001 | 994 | −7 mm |
| BB drop | 70 | 70 | ±0 mm |
| Standover | 747 | 751 | +4 mm |
| Seat tube length | 476 | 460 | −16 mm |
| Head tube length | 110 | 100 | −10 mm |
| Seat tube angle | not listed | 74.0 | |
| Fork length | not listed | 400 |
Differences are the Surly Midnight Special minus the Trek Boone Disc. Full charts: 2016 Trek Boone Disc, 2018 Surly Midnight Special.
Where each sits in its class
Trek Boone DiscSurly 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 Boone Disc5 Disc | Surly Midnight SpecialMidnight Special |
|---|---|---|
| Frame | Trek OCLV | Surly Midnight Special |
| Fork | Trek IsoSpeed Cross | not listed |
| Shifter | Shimano RS685 | SRAM Rival 22 |
| Derailleur | Shimano 105 | SRAM Rival 22 |
| Cassette | Shimano 105 | SunRace CS-MS8 |
| Chain | Shimano 105 | KMC X11 |
| Crankset | FSA Energy Cross | SRAM S390 |
| Bottom bracket | Trek BB90 | SRAM S390 |
| Tire | Bontrager CX3 Team Issue | WTB Horizon Road Plus |
| Brake | Shimano RS685 | TRP Spyre |
| Handlebar | Bontrager VR-C | Salsa Cowbell 3 |
| Seatpost | Bontrager Tuned | Promax SP-2019 |
| Saddle | Bontrager Paradigm | WTB Volt Sport |
| Chainring | not listed | SRAM Rival 22 |
| Wheelset | not listed | Alex Rims Adventurer 2 |
| Rotor | not listed | TRP Spyre |
| Stem | not listed | Promax DA-296 |
| Headset | not listed | Cane Creek 40 |
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