2021 Trek Checkpoint ALR vs 2023 Santa Cruz Stigmata
The 58 is the Santa Cruz Stigmata 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 Santa Cruz Stigmata
Compared with the Trek Checkpoint ALR in 58, the Santa Cruz Stigmata in 58 places the top of the head tube at about the same height and about as far forward, relative to the bottom bracket.
- Frame stack
- ±0 mm
- About the same height
- Frame reach
- +1 mm
- About the same reach
- Wheelbase
- +2 mm
- About the same
- Head angle
- −0.3°
- 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 | Santa Cruz Stigmata 58 | Difference |
|---|---|---|---|
| Reach | 391 | 392 | +1 mm |
| Stack | 609 | 609 | ±0 mm |
| Head tube angle | 72.3° | 72 | −0.3° |
| Effective top tube | 577 | 572 | −5 mm |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 1032 | 1034 | +2 mm |
| BB drop | 74 | 70 | −4 mm |
| Standover | 829 | 816 | −13 mm |
| Seat tube length | 580 | 565 | −15 mm |
| Head tube length | 171 | 185 | +14 mm |
| Seat tube angle | not listed | 73.5 |
Differences are the Santa Cruz Stigmata minus the Trek Checkpoint ALR. Full charts: 2021 Trek Checkpoint ALR, 2023 Santa Cruz Stigmata.
Where each sits in its class
Trek Checkpoint ALRSanta Cruz Stigmata
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 | Santa Cruz StigmataGRX |
|---|---|---|
| Frame | Trek Alpha | Santa Cruz Stigmata |
| Fork | Trek Checkpoint | Santa Cruz Carbon Fork |
| Shifter | Shimano GRX RX400 | Shimano GRX RX810 |
| Derailleur | Shimano GRX RX400 | Shimano GRX Di2 |
| Cassette | Shimano Tiagra HG-500 | Shimano Ultegra HG800 |
| Chain | KMC X10 | Shimano SLX M7000 |
| Crankset | Shimano GRX RX600 | Shimano GRX FC-RX600 |
| Bottom bracket | Shimano RS500 | Shimano Ultegra BB |
| Wheelset | Bontrager TLR Disc Aluminum | I9 1/1 |
| Tire | Bontrager GR1 Comp | Maxxis Rambler |
| Brake | Shimano GRX | not listed |
| Handlebar | Bontrager Elite IsoZone VR-CF | Easton EA70 AX Road |
| Stem | Niner Alloy | Easton EA90 |
| Seatpost | Bontrager Approved | Easton EC70 |
| Saddle | Bontrager P3 Verse | WTB Silverado |
| Chainring | not listed | Shimano GRX |
| Grips | not listed | Velo Bar Tape |
| Headset | not listed | Cane Creek 40 |
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