2025 Cervélo Áspero RX827 vs 2027 Trek Checkmate SLR
The XS is the Trek Checkmate SLR size closest to your 48 Cervélo Áspero RX827. 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 Checkmate SLR
Compared with the Cervélo Áspero RX827 in 48, the Trek Checkmate SLR in XS places the top of the head tube 25 mm higher and 11 mm further forward, relative to the bottom bracket. Its wheelbase is 10 mm longer, which can contribute to stability at speed.
- Frame stack
- +25 mm
- Higher front end
- Frame reach
- +11 mm
- Longer frame reach
- Wheelbase
- +10 mm
- Longer: steadier at speed
- Head angle
- +0.4°
- Steeper: sharper steering
- Chainstays
- +4 mm
- Longer: more planted
The two frames
Only the Cervélo Áspero RX827 is drawn. The Trek Checkmate SLR numbers we have for size XS are missing the seat angle.
Geometry side by side
| Measurement | Cervélo Áspero RX827 48 | Trek Checkmate SLR XS | Difference |
|---|---|---|---|
| Reach | 369 | 380 | +11 mm |
| Stack | 500 | 525 | +25 mm |
| Head tube angle | 70.6 | 71.0° | +0.4° |
| Seat tube angle | 74.1 | not listed | |
| Effective top tube | 516 | 532 | +16 mm |
| Chainstay length | 422.5 | 426 | +4 mm |
| Wheelbase | 993 | 1003 | +10 mm |
| BB drop | 80 | 80 | ±0 mm |
| Standover | 720 | 718 | −2 mm |
| Head tube length | 75 | 91 | +16 mm |
| Seat tube length | not listed | 373 |
Differences are the Trek Checkmate SLR minus the Cervélo Áspero RX827. Full charts: 2025 Cervélo Áspero RX827, 2027 Trek Checkmate SLR.
Where each sits in its class
Cervélo Áspero RX827Trek Checkmate SLR
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 | Cervélo Áspero RX827GRX RX827 Di2 | Trek Checkmate SLRSLR |
|---|---|---|
| Cassette | Shimano GRX | not listed |
| Crankset | Shimano GRX | not listed |
| Wheelset | Reserve 40|44TA GR | not listed |
| Handlebar | Cervélo Carbon | not listed |
| Seatpost | Cervélo Carbon | not listed |
| Fork | not listed | Trek Checkmate SLR |
| Headset | not listed | Bontrager Expander Plug |
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