2026 Specialized Rockhopper Expert vs 2026 Trek Supercaliber SLR 9.8
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Trek Supercaliber SLR 9.8
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- n/a
- One of the bikes has no number for this
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −0.5°
- Slacker: calmer steering
- Chainstays
- −5 mm
- Shorter: livelier
The two frames
We can't draw these frames yet. The Specialized Rockhopper Expert numbers we have for size S-27.5 are missing the reach, stack and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Rockhopper Expert S-27.5 | Trek Supercaliber SLR 9.8 ML | Difference |
|---|---|---|---|
| Head tube angle | 68 | 67.5 | −0.5° |
| Seat tube angle | 73.5 | not listed | |
| Chainstay length | 440 | 435 | −5 mm |
| BB drop | 43 | 46 | +3 mm |
| BB height | 310 | 328 | +18 mm |
| Reach | not listed | 450 | |
| Stack | not listed | 590 | |
| Effective top tube | not listed | 605 | |
| Wheelbase | not listed | 1153 | |
| Standover | not listed | 772 | |
| Seat tube length | not listed | 440 | |
| Head tube length | not listed | 90 |
Differences are the Trek Supercaliber SLR 9.8 minus the Specialized Rockhopper Expert. Full charts: 2026 Specialized Rockhopper Expert, 2026 Trek Supercaliber SLR 9.8.
Where each sits in its class
Specialized Rockhopper ExpertTrek Supercaliber SLR 9.8
Each bike is ranked against the other XC 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 | Specialized Rockhopper ExpertExpert | Trek Supercaliber SLR 9.8SLR 9.8 GX AXS |
|---|---|---|
| Frame | Specialized A1 premium butted | Trek SLR OCLV Mountain Carbon |
| Fork | RockShox Judy Solo Air | RockShox SID |
| Shifter | SRAM SX Eagle | SRAM Pod Controller |
| Derailleur | SRAM NX Eagle SX | SRAM GX Eagle AXS |
| Cassette | SRAM SX Eagle | SRAM GX Eagle Transmission |
| Chain | SRAM SX Eagle | SRAM GX Eagle |
| Crankset | Stylo Cranks | SRAM GX Eagle DUB |
| Chainring | SRAM Stylo | SRAM 1x38T |
| Bottom bracket | SRAM PowerSpline | SRAM DUB |
| Pedals | Specialized Body Geometry | not listed |
| Wheelset | Formula DC-20/DC-22 | Bontrager Kovee Elite 30 |
| Tire | Specialized Ground Control 2BR | Bontrager Sainte-Anne RSL XR |
| Brake | Shimano MT200 | SRAM Level Bronze |
| Rotor | SRAM DB4 | SRAM CenterLine |
| Handlebar | Specialized alloy | Bontrager RSL Integrated |
| Stem | 3D-Forged Alloy | Bontrager RSL Integrated |
| Grips | Specialized Trail | not listed |
| Seatpost | Specialized Alloy | not listed |
| Saddle | Priority Sport | Bontrager Verse Elite |
| Rear shock | not listed | RockShox SIDLuxe |
| Headset | not listed | FSA IS2 |
| Dropper post | not listed | Bontrager Line Dropper |
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