2025 Specialized Rockhopper 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 numbers we have for size XXS - 26 are missing the reach, stack and wheelbase. The numbers below still compare.
Geometry side by side
| Measurement | Specialized Rockhopper XXS - 26 | Trek Marlin Gen 3 M | Difference |
|---|---|---|---|
| Reach | not listed | not listed | |
| Stack | not listed | not listed | |
| Head tube angle | 68° | not listed | |
| Seat tube angle | 73.5° | 74 | +0.5° |
| Effective top tube | not listed | not listed | |
| Chainstay length | 440mm | not listed | |
| Wheelbase | not listed | not listed | |
| BB drop | 43mm | not listed | |
| BB height | 310mm | not listed | |
| Standover | not listed | not listed | |
| Seat tube length | not listed | not listed | |
| Fork length | 475mm | not listed | |
| Head tube length | 95mm | not listed |
Differences are the Trek Marlin Gen 3 minus the Specialized Rockhopper. Full charts: 2025 Specialized Rockhopper, 2025 Trek Marlin Gen 3.
Where each sits in its class
Specialized RockhopperTrek Marlin Gen 3
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
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 RockhopperRockhopper | Trek Marlin Gen 35 Gen 3 |
|---|---|---|
| Frame | Specialized A1 | Trek Marlin |
| Fork | SR Suntour XCM | SR Suntour XCT 30 |
| Shifter | Shimano Altus | Shimano CUES U4000 |
| Derailleur | Shimano Altus M2020, Shimano Altus M2000 | Shimano CUES U4000 |
| Cassette | SunRace 11-36 | Shimano LINKGLIDE LG300 |
| Chain | KMC X9EPT | Shimano LG500 |
| Crankset | Specialized Stout | Prowheel C10Y-NW |
| Pedals | Specialized Flat Pedal | VP 536 |
| Wheelset | Formula SP-2125 | Bontrager Connection |
| Tire | Specialized Fast Trak Sport | Bontrager XT3 |
| Hub | Formula SP-2125 | Formula DC-20 front, Formula DC-22 rear |
| Brake | Shimano MT200 | Tektro HD-M275 |
| Rotor | Shimano MT200 | Tektro 6-bolt |
| Handlebar | Specialized Mini Rise | Bontrager Alloy |
| Stem | Specialized Stout | Bontrager Comp |
| Grips | Specialized Trail | Bontrager XR Trail |
| Saddle | Specialized Bridge Sport | Bontrager Verse Short |
| Chainring | not listed | 30 |
| Bottom bracket | not listed | VP BC73 |
| Rim | not listed | Bontrager Connection |
| Seatpost | not listed | Bontrager Alloy |
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