2019 Trek Checkpoint SL vs 2021 Trek Boone Disc Frameset
The 50 is the Trek Boone Disc Frameset size closest to your 49 Trek Checkpoint SL. 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 Trek Checkpoint SL in 49, the Trek Boone Disc Frameset in 50 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket. Its wheelbase is 6 mm longer, which can contribute to stability at speed.
- Frame stack
- +2 mm
- About the same height
- Frame reach
- +2 mm
- About the same reach
- Wheelbase
- +6 mm
- Longer: steadier at speed
- Head angle
- −0.4°
- Slacker: calmer steering
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Checkpoint SL numbers we have for size 49 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint SL 49 | Trek Boone Disc Frameset 50 | Difference |
|---|---|---|---|
| Reach | 373 | 375 | +2 mm |
| Stack | 532 | 534 | +2 mm |
| Head tube angle | 71.4° | 71.0° | −0.4° |
| Effective top tube | 515 | 518 | +3 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 995 | 1001 | +6 mm |
| BB drop | 78 | 70 | −8 mm |
| Standover | 723 | 747 | +24 mm |
| Seat tube length | 490 | 476 | −14 mm |
| Head tube length | 90 | 110 | +20 mm |
Differences are the Trek Boone Disc Frameset minus the Trek Checkpoint SL. Full charts: 2019 Trek Checkpoint SL, 2021 Trek Boone Disc Frameset.
Where each sits in its class
Trek Checkpoint SLTrek 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 | Trek Checkpoint SLSL 5 | Trek Boone Disc FramesetBoone Disc Frameset |
|---|---|---|
| Frame | Trek OCLV | Trek OCLV |
| Fork | Trek Checkpoint | Trek IsoSpeed Cross |
| Shifter | Shimano RS505 | not listed |
| Derailleur | Shimano 105 FD-5801, Shimano 105 | not listed |
| Cassette | Shimano HG800 | not listed |
| Chain | Shimano HG600 | not listed |
| Crankset | Shimano 105 | not listed |
| Bottom bracket | Trek BB90 | not listed |
| Tire | Bontrager GR1 Team Issue | not listed |
| Brake | Shimano RS505 | not listed |
| Handlebar | Bontrager RL IsoZone VR-CF | not listed |
| Seatpost | Bontrager Tuned seatmast cap | not listed |
| Saddle | Bontrager Montrose | not listed |
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