2023 Trek Marlin Gen 2 vs 2021 Specialized Rockhopper Comp
The XL is the Specialized Rockhopper Comp size closest to your XXL Trek Marlin Gen 2. 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 Specialized Rockhopper Comp
Compared with the Trek Marlin Gen 2 in XXL, the Specialized Rockhopper Comp in XL places the top of the head tube 10 mm higher and 15 mm further back, relative to the bottom bracket. Its wheelbase is 5 mm longer, which can contribute to stability at speed.
- Frame stack
- +10 mm
- Higher front end
- Frame reach
- −15 mm
- Shorter frame reach
- Wheelbase
- +5 mm
- Longer: steadier at speed
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- +2 mm
- About the same
The two frames
Trek Marlin Gen 2, XXLSpecialized Rockhopper Comp, XLDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Marlin Gen 2 XXL | Specialized Rockhopper Comp XL | Difference |
|---|---|---|---|
| Reach | 480 | 465 | −15 mm |
| Stack | 630 | 640 | +10 mm |
| Head tube angle | 69.5° | 68.5 | −1.0° |
| Seat tube angle | 73.0° | 73.5 | +0.5° |
| Effective top tube | 673 | not listed | |
| Chainstay length | 438 | 440 | +2 mm |
| Wheelbase | 1173 | 1178 | +5 mm |
| BB drop | 58 | not listed | |
| BB height | 311 | not listed | |
| Standover | 804 | 820mm | +16 mm |
| Seat tube length | 559 | 500mm | −59 mm |
| Head tube length | 120 | 120mm | ±0 mm |
| Fork length | not listed | 515mm |
Differences are the Specialized Rockhopper Comp minus the Trek Marlin Gen 2. Full charts: 2023 Trek Marlin Gen 2, 2021 Specialized Rockhopper Comp.
Where each sits in its class
Trek Marlin Gen 2Specialized Rockhopper Comp
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 24 Gen 2 | Specialized Rockhopper Comp |
|---|---|---|
| Frame | Trek Alpha | not listed |
| Fork | SR Suntour XCE 28 | not listed |
| Shifter | Shimano Altus EF500 | not listed |
| Derailleur | Shimano Tourney TY300 | not listed |
| Cassette | Shimano TZ500 | not listed |
| Chain | KMC Z7 | not listed |
| Crankset | Shimano Tourney TY301 | not listed |
| Bottom bracket | VP BC73 | not listed |
| Pedals | VP 536 | not listed |
| Wheelset | Bontrager Connection | not listed |
| Tire | Bontrager XR2 Comp | not listed |
| Hub | Formula DC20, Formula DC-31 | not listed |
| Rim | Bontrager Connection | not listed |
| Brake | Tektro MD-M280 | not listed |
| Handlebar | Bontrager Alloy | not listed |
| Stem | Bontrager Comp | not listed |
| Grips | Bontrager XR Endurance Comp | not listed |
| Seatpost | Bontrager Alloy | not listed |
| Saddle | Bontrager Arvada | not listed |
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
