2026 Trek Marlin Gen 3 vs 2026 Santa Cruz Highball
The M is the Santa Cruz Highball size closest to your M Trek Marlin Gen 3. 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 Santa Cruz Highball
Compared with the Trek Marlin Gen 3 in M, the Santa Cruz Highball in M places the top of the head tube 4 mm lower and about as far forward, relative to the bottom bracket. Its wheelbase is 18 mm shorter, which can contribute to quicker direction changes.
- Frame stack
- −4 mm
- Lower front end
- Frame reach
- ±0 mm
- About the same reach
- Wheelbase
- −18 mm
- Shorter: quicker to change direction
- Head angle
- +0.5°
- Steeper: sharper steering
- Chainstays
- −12 mm
- Shorter: livelier
The two frames
Trek Marlin Gen 3, MSanta Cruz Highball, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Marlin Gen 3 M | Santa Cruz Highball M | Difference |
|---|---|---|---|
| Reach | 440 | 440 | ±0 mm |
| Stack | 609 | 605 | −4 mm |
| Head tube angle | 66.5 | 67° | +0.5° |
| Seat tube angle | 74 | 73.5° | −0.5° |
| Effective top tube | 615 | 619 | +4 mm |
| Chainstay length | 438 | 426 | −12 mm |
| Wheelbase | 1163 | 1145 | −18 mm |
| BB drop | 46 | 60 | +14 mm |
| Standover | 747 | not listed | |
| Seat tube length | 420 | 430 | +10 mm |
| Head tube length | 105 | 105 | ±0 mm |
| Stack-to-reach | 1.38 | not listed | |
| BB height | not listed | 313 |
Differences are the Santa Cruz Highball minus the Trek Marlin Gen 3. Full charts: 2026 Trek Marlin Gen 3, 2026 Santa Cruz Highball.
Where each sits in its class
Trek Marlin Gen 3Santa Cruz Highball
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 34 Gen 3 | Santa Cruz Highball90 |
|---|---|---|
| Frame | Trek Alpha Silver | Santa Cruz Highball |
| Fork | SR Suntour XCE 28 | RockShox Sid SL Select+ |
| Shifter | Shimano Acera M315 | SRAM 90 Eagle Transmission |
| Derailleur | Shimano CUES U2000 ESSA | SRAM 90 Eagle Transmission |
| Cassette | Shimano HG300 | SRAM GX Eagle Transmission |
| Chain | KMC Z8.3 | SRAM GX Eagle Transmission |
| Crankset | Prowheel Alloy | SRAM 90 Eagle DUB Transmission |
| Chainring | narrow-wide | SRAM 90 Eagle |
| Pedals | Nylon Platform | not listed |
| Wheelset | Bontrager Connection | DT Swiss + Raceface DT Swiss 370 / RaceFace AR Offset 27 |
| Tire | Bontrager Montrose | Maxxis Rekon Race |
| Rim | Bontrager Connection | Race Face AR Offset 27 |
| Brake | Tektro HD-M275 | SRAM DB 8 |
| Rotor | Tektro 6-bolt | SRAM HS2 |
| Handlebar | Bontrager Alloy | SRAM Atmos Flat Bar |
| Stem | Bontrager Comp | SRAM Atmos Stem |
| Grips | Trek Line Comp | SRAM Standard |
| Headset | Semi-integrated 1-1/8" | Cane Creek 50 IS Integrated Headset |
| Seatpost | Bontrager Alloy | Race Face Next |
| Saddle | Bontrager Verse Short | SDG Bel-Air V3 Lux-Alloy |
| Bottom bracket | not listed | SRAM DUB |
| Hub | not listed | DT Swiss 370 |
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