2026 Cervélo Áspero RX825 vs 2026 Trek Boone
The 49 is the Trek Boone size closest to your 48 Cervélo Áspero RX825. 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
Compared with the Cervélo Áspero RX825 in 48, the Trek Boone in 49 places the top of the head tube 29 mm higher and 5 mm further forward, relative to the bottom bracket. Its wheelbase is 11 mm longer, which can contribute to stability at speed.
- Frame stack
- +29 mm
- Higher front end
- Frame reach
- +5 mm
- Longer frame reach
- Wheelbase
- +11 mm
- Longer: steadier at speed
- Head angle
- ±0.0°
- About the same head angle
- Chainstays
- ±0 mm
- About the same
The two frames
Only the Cervélo Áspero RX825 is drawn. The Trek Boone numbers we have for size 49 are missing the seat angle.
Geometry side by side
| Measurement | Cervélo Áspero RX825 48 | Trek Boone 49 | Difference |
|---|---|---|---|
| Reach | 370 | 375 | +5 mm |
| Stack | 505 | 534 | +29 mm |
| Head tube angle | 71 | 71.0° | ±0.0° |
| Seat tube angle | 74.5 | not listed | |
| Chainstay length | 425 | 425 | ±0 mm |
| Wheelbase | 990 | 1001 | +11 mm |
| Standover | 681 | 747 | +66 mm |
| Head tube length | 83 | 110 | +27 mm |
| Effective top tube | not listed | 518 | |
| BB drop | not listed | 70 | |
| Seat tube length | not listed | 476 |
Differences are the Trek Boone minus the Cervélo Áspero RX825. Full charts: 2026 Cervélo Áspero RX825, 2026 Trek Boone.
Where each sits in its class
Cervélo Áspero RX825Trek Boone
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 RX825GRX RX825 Di2 | Trek Boone |
|---|---|---|
| Frame | Cervélo Áspero | not listed |
| Shifter | Shimano GRX RX825 Di2 | not listed |
| Derailleur | Shimano GRX RX825 Di2 | not listed |
| Cassette | Shimano 10-51T, 12-speed | not listed |
| Crankset | Shimano GRX FC-RX600 | not listed |
| Bottom bracket | Cervélo T47a | not listed |
| Wheelset | Reserve 40|44TA GR | not listed |
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