2025 Trek Marlin Gen 3 vs 2026 Specialized Rockhopper Expert
We can't match sizes for these two: one of them has no stack and reach for the sizes shown.
What changes on the Specialized Rockhopper Expert
- 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
- n/a
- One of the bikes has no number for this
- Chainstays
- n/a
- One of the bikes has no number for this
The two frames
We can't draw these frames yet. The Trek Marlin Gen 3 numbers we have for size M are missing the reach, stack, head angle, chainstay length and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Trek Marlin Gen 3 M | Specialized Rockhopper Expert S-27.5 | Difference |
|---|---|---|---|
| Head tube angle | not listed | 68 | |
| Seat tube angle | 74 | 73.5 | −0.5° |
| Chainstay length | not listed | 440 | |
| Wheelbase | not listed | not listed | |
| Standover | not listed | not listed | |
| BB drop | not listed | 43 | |
| BB height | not listed | 310 |
Differences are the Specialized Rockhopper Expert minus the Trek Marlin Gen 3. Full charts: 2025 Trek Marlin Gen 3, 2026 Specialized Rockhopper Expert.
Where each sits in its class
Trek Marlin Gen 3Specialized Rockhopper Expert
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 | Trek Marlin Gen 35 Gen 3 | Specialized Rockhopper ExpertExpert |
|---|---|---|
| Frame | Trek Marlin | Specialized A1 premium butted |
| Fork | SR Suntour XCT 30 | RockShox Judy Solo Air |
| Shifter | Shimano CUES U4000 | SRAM SX Eagle |
| Derailleur | Shimano CUES U4000 | SRAM NX Eagle SX |
| Cassette | Shimano LINKGLIDE LG300 | SRAM SX Eagle |
| Chain | Shimano LG500 | SRAM SX Eagle |
| Crankset | Prowheel C10Y-NW | Stylo Cranks |
| Chainring | 30 | SRAM Stylo |
| Bottom bracket | VP BC73 | SRAM PowerSpline |
| Pedals | VP 536 | Specialized Body Geometry |
| Wheelset | Bontrager Connection | Formula DC-20/DC-22 |
| Tire | Bontrager XT3 | Specialized Ground Control 2BR |
| Hub | Formula DC-20 front, Formula DC-22 rear | not listed |
| Rim | Bontrager Connection | not listed |
| Brake | Tektro HD-M275 | Shimano MT200 |
| Rotor | Tektro 6-bolt | SRAM DB4 |
| Handlebar | Bontrager Alloy | Specialized alloy |
| Stem | Bontrager Comp | 3D-Forged Alloy |
| Grips | Bontrager XR Trail | Specialized Trail |
| Seatpost | Bontrager Alloy | Specialized Alloy |
| Saddle | Bontrager Verse Short | Priority Sport |
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