2024 Specialized Rockhopper Expert vs 2023 Trek Marlin Gen 2
The XXL is the Trek Marlin Gen 2 size closest to your XXL - 29 Specialized Rockhopper Expert. 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 Expert in XXL - 29, the Trek Marlin Gen 2 in XXL places the top of the head tube 24 mm lower and 5 mm further back, relative to the bottom bracket. Its wheelbase is 30 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −24 mm
- Lower front end
- Frame reach
- −5 mm
- Shorter frame reach
- Wheelbase
- −30 mm
- Shorter: quicker to change direction
- Head angle
- +1.0°
- Steeper: sharper steering
- Chainstays
- −2 mm
- About the same
The two frames
Specialized Rockhopper Expert, XXL - 29Trek Marlin Gen 2, XXLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Specialized Rockhopper Expert XXL - 29 | Trek Marlin Gen 2 XXL | Difference |
|---|---|---|---|
| Reach | 485mm | 480 | −5 mm |
| Stack | 654mm | 630 | −24 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 | 1203mm | 1173 | −30 mm |
| Standover | 853mm | 804 | −49 mm |
| Seat tube length | 560mm | 559 | −1 mm |
| Fork length | 515mm | not listed | |
| Head tube length | 135mm | 120 | −15 mm |
| Effective top tube | not listed | 673 | |
| BB drop | not listed | 58 | |
| BB height | not listed | 311 |
Differences are the Trek Marlin Gen 2 minus the Specialized Rockhopper Expert. Full charts: 2024 Specialized Rockhopper Expert, 2023 Trek Marlin Gen 2.
Where each sits in its class
Specialized Rockhopper ExpertTrek 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 ExpertExpert | Trek Marlin Gen 24 Gen 2 |
|---|---|---|
| Frame | Specialized A1 premium butted | Trek Alpha |
| Fork | RockShox Judy | SR Suntour XCE 28 |
| Shifter | Shimano Deore M5100 | Shimano Altus EF500 |
| Derailleur | Shimano Deore M5100 | Shimano Tourney TY300 |
| Cassette | Shimano Deore | Shimano TZ500 |
| Chain | Shimano CN-LG500 | KMC Z7 |
| Crankset | Specialized Stout | Shimano Tourney TY301 |
| Wheelset | Specialized Alloy | Bontrager Connection |
| Tire | Specialized Ground Control 2BR | Bontrager XR2 Comp |
| Hub | Formula DC-20 front, Formula DC-22 rear | Formula DC20, Formula DC-31 |
| Rim | Specialized hookless | Bontrager Connection |
| Brake | Shimano MT200 | Tektro MD-M280 |
| Rotor | Shimano MT200 | not listed |
| Handlebar | Specialized Stout | Bontrager Alloy |
| Stem | Specialized Stout | Bontrager Comp |
| Grips | Specialized Trail | Bontrager XR Endurance Comp |
| Saddle | Specialized Bridge Sport | Bontrager Arvada |
| Bottom bracket | not listed | VP BC73 |
| Pedals | not listed | VP 536 |
| Seatpost | not listed | Bontrager Alloy |
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