2022 Trek Checkpoint ALR Gen 2 Frameset vs 2024 Colnago G3-X
The 55s is the Colnago G3-X size closest to your 56 Trek Checkpoint ALR Gen 2 Frameset. 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 Colnago G3-X
Compared with the Trek Checkpoint ALR Gen 2 Frameset in 56, the Colnago G3-X in 55s places the top of the head tube at about the same height and 7 mm further back, relative to the bottom bracket.
- Frame stack
- −1 mm
- About the same height
- Frame reach
- −7 mm
- Shorter frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.6°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Trek Checkpoint ALR Gen 2 Frameset numbers we have for size 56 are missing the seat angle. The numbers below still compare.
Geometry side by side
| Measurement | Trek Checkpoint ALR Gen 2 Frameset 56 | Colnago G3-X 55s | Difference |
|---|---|---|---|
| Reach | 407 | 400 | −7 mm |
| Stack | 592 | 591 | −1 mm |
| Head tube angle | 72.2° | 71.6 | −0.6° |
| Effective top tube | 584 | not listed | |
| Chainstay length | 435 | 430 | −5 mm |
| Wheelbase | 1048 | not listed | |
| BB drop | 76 | 70 | −6 mm |
| Standover | 809 | not listed | |
| Seat tube length | 560 | not listed | |
| Head tube length | 145 | 159 | +14 mm |
| Seat tube angle | not listed | 73.2 | |
| Fork length | not listed | 409 |
Differences are the Colnago G3-X minus the Trek Checkpoint ALR Gen 2 Frameset. Full charts: 2022 Trek Checkpoint ALR Gen 2 Frameset, 2024 Colnago G3-X.
Where each sits in its class
Trek Checkpoint ALR Gen 2 FramesetColnago G3-X
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 ALR Gen 2 FramesetALR Gen 2 Frameset | Colnago G3-XColnago G3-X Rival AXS 1X Disc Bike |
|---|---|---|
| Frame | Trek Alpha | Colnago G3-X |
| Fork | Trek Checkpoint | not listed |
| Shifter | not listed | SRAM Rival |
| Derailleur | not listed | SRAM Rival XPLR AXS |
| Cassette | not listed | SRAM XG-1251 |
| Chain | not listed | SRAM Rival |
| Crankset | not listed | SRAM Rival AXS |
| Bottom bracket | not listed | SRAM DUB |
| Wheelset | not listed | Fulcrum Rapid Red 900 |
| Tire | not listed | Pirelli Cinturato Gravel H |
| Brake | not listed | SRAM Rival AXS |
| Rotor | not listed | SRAM Paceline |
| Handlebar | not listed | Deda Manubrio |
| Stem | not listed | Deda Attacco |
| Bar tape | not listed | Colnago Cork |
| Saddle | not listed | Prologo Kappa |
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