2026 Specialized Rockhopper Expert vs 2025 Trek Marlin Gen 3
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 Marlin Gen 3
- 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 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 Marlin Gen 3 M | Difference |
|---|---|---|---|
| Head tube angle | 68 | not listed | |
| Seat tube angle | 73.5 | 74 | +0.5° |
| Chainstay length | 440 | not listed | |
| BB drop | 43 | not listed | |
| BB height | 310 | not listed | |
| Wheelbase | not listed | not listed | |
| Standover | not listed | not listed |
Differences are the Trek Marlin Gen 3 minus the Specialized Rockhopper Expert. Full charts: 2026 Specialized Rockhopper Expert, 2025 Trek Marlin Gen 3.
Where each sits in its class
Specialized Rockhopper ExpertTrek Marlin Gen 3
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 Marlin Gen 35 Gen 3 |
|---|---|---|
| Frame | Specialized A1 premium butted | Trek Marlin |
| Fork | RockShox Judy Solo Air | SR Suntour XCT 30 |
| Shifter | SRAM SX Eagle | Shimano CUES U4000 |
| Derailleur | SRAM NX Eagle SX | Shimano CUES U4000 |
| Cassette | SRAM SX Eagle | Shimano LINKGLIDE LG300 |
| Chain | SRAM SX Eagle | Shimano LG500 |
| Crankset | Stylo Cranks | Prowheel C10Y-NW |
| Chainring | SRAM Stylo | 30 |
| Bottom bracket | SRAM PowerSpline | VP BC73 |
| Pedals | Specialized Body Geometry | VP 536 |
| Wheelset | Formula DC-20/DC-22 | Bontrager Connection |
| Tire | Specialized Ground Control 2BR | Bontrager XT3 |
| Brake | Shimano MT200 | Tektro HD-M275 |
| Rotor | SRAM DB4 | Tektro 6-bolt |
| Handlebar | Specialized alloy | Bontrager Alloy |
| Stem | 3D-Forged Alloy | Bontrager Comp |
| Grips | Specialized Trail | Bontrager XR Trail |
| Seatpost | Specialized Alloy | Bontrager Alloy |
| Saddle | Priority Sport | Bontrager Verse Short |
| Hub | not listed | Formula DC-20 front, Formula DC-22 rear |
| Rim | not listed | Bontrager Connection |
Know what is on every bike.
Add your bike to Quiver. Keep its parts, setup, and service history together, then share your build.
Explore the app
