2024 Specialized Rockhopper Sport vs 2023 Trek Marlin Gen 2
The M is the Trek Marlin Gen 2 size closest to your M - 27.5 Specialized Rockhopper Sport. 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 Marlin Gen 2
Compared with the Specialized Rockhopper Sport in M - 27.5, the Trek Marlin Gen 2 in M places the top of the head tube 5 mm lower and 13 mm further forward, relative to the bottom bracket. Its wheelbase is 5 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −5 mm
- Lower front end
- Frame reach
- +13 mm
- Longer frame reach
- Wheelbase
- −5 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- −2 mm
- About the same
The two frames
Specialized Rockhopper Sport, M - 27.5Trek Marlin Gen 2, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Rockhopper Sport M - 27.5 | Trek Marlin Gen 2 M | Difference |
|---|---|---|---|
| Reach | 405mm | 418 | +13 mm |
| Stack | 607mm | 602 | −5 mm |
| Head tube angle | 68.5° | 69.5° | +1.0° |
| Seat tube angle | 73.5° | 73.0° | −0.5° |
| Chainstay length | 440mm | 438 | −2 mm |
| Wheelbase | 1105mm | 1100 | −5 mm |
| Standover | 732mm | 748 | +16 mm |
| Seat tube length | 360mm | 419 | +59 mm |
| Fork length | 505mm | not listed | |
| Head tube length | 95mm | 90 | −5 mm |
| Effective top tube | not listed | 602 | |
| BB drop | not listed | 58 | |
| BB height | not listed | 310 |
Differences are the Trek Marlin Gen 2 minus the Specialized Rockhopper Sport. Full charts: 2024 Specialized Rockhopper Sport, 2023 Trek Marlin Gen 2.
Where each sits in its class
Specialized Rockhopper SportTrek Marlin Gen 2
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 SportSport | Trek Marlin Gen 24 Gen 2 |
|---|---|---|
| Frame | Specialized A1 premium butted | Trek Alpha |
| Fork | SR Suntour XCM 29 | SR Suntour XCE 28 |
| Shifter | Shimano CUES SL-U4000-9R | Shimano Altus EF500 |
| Derailleur | Shimano CUES U4000 | Shimano Tourney TY300 |
| Cassette | Shimano CUES CS-LG300-9 | Shimano TZ500 |
| Chain | Shimano CN-LG500 | KMC Z7 |
| Crankset | Specialized Stout | Shimano Tourney TY301 |
| Pedals | SBC-54 | VP 536 |
| Wheelset | Formula SP-2120/SP-2125 | Bontrager Connection |
| Tire | Specialized Fast Trak Sport | Bontrager XR2 Comp |
| Hub | Formula SP-2120, Formula SP-2125 | Formula DC20, Formula DC-31 |
| Brake | Tektro BR-M275 | Tektro MD-M280 |
| Rotor | Tektro BR-M275 | not listed |
| Handlebar | Specialized Stout | Bontrager Alloy |
| Stem | 3D-forged | Bontrager Comp |
| Grips | Specialized Trail | Bontrager XR Endurance Comp |
| Saddle | Specialized Bridge Sport | Bontrager Arvada |
| Bottom bracket | not listed | VP BC73 |
| Rim | not listed | Bontrager Connection |
| Seatpost | not listed | Bontrager Alloy |
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