2019 Trek Checkpoint ALR vs 2021 Trek Boone Disc Frameset
The 58 is the Trek Boone Disc Frameset size closest to your 58 Trek Checkpoint ALR. 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 ALR in 58, the Trek Boone Disc Frameset in 58 places the top of the head tube 12 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 4 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −12 mm
- Lower front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −4 mm
- Shorter: quicker to change direction
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR numbers we have for size 58 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR 58 | Trek Boone Disc Frameset 58 | Difference |
|---|---|---|---|
| Reach | 391 | 391 | ±0 mm |
| Stack | 609 | 597 | −12 mm |
| Head tube angle | 72.3° | 72.3° | ±0.0° |
| Effective top tube | 577 | 570 | −7 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 1032 | 1028 | −4 mm |
| BB drop | 74 | 65 | −9 mm |
| Standover | 829 | 816 | −13 mm |
| Seat tube length | 580 | 553 | −27 mm |
| Head tube length | 171 | 176 | +5 mm |
Differences are the Trek Boone Disc Frameset minus the Trek Checkpoint ALR. Full charts: 2019 Trek Checkpoint ALR, 2021 Trek Boone Disc Frameset.
Where each sits in its class
Trek Checkpoint ALRTrek 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 ALRALR 4 | Trek Boone Disc FramesetBoone Disc Frameset |
|---|---|---|
| Frame | Trek Alpha | Trek OCLV |
| Fork | Trek Checkpoint | Trek IsoSpeed Cross |
| Shifter | Shimano RS405 | not listed |
| Derailleur | Shimano Tiagra | not listed |
| Cassette | Shimano Tiagra | not listed |
| Chain | KMC X10 | not listed |
| Crankset | Shimano Tiagra | not listed |
| Tire | Bontrager GR1 Comp | not listed |
| Brake | Shimano RS505 | not listed |
| Handlebar | Bontrager RL IsoZone VR-CF | not listed |
| Seatpost | Bontrager Approved | not listed |
| Saddle | Bontrager Montrose | not listed |
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