2025 Santa Cruz Heckler SL vs 2027 Trek Fuel+ MX 9.9 Gen 2
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 Fuel+ MX 9.9 Gen 2
- Frame stack
- n/a
- One of the bikes has no number for this
- Frame reach
- +50 mm
- Longer frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- +0.2°
- About the same head angle
- Chainstays
- −4 mm
- Shorter: livelier
The two frames
Santa Cruz Heckler SL, STrek Fuel+ MX 9.9 Gen 2, LDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Santa Cruz Heckler SL S | Trek Fuel+ MX 9.9 Gen 2 L | Difference |
|---|---|---|---|
| Reach | 432.4 | 482 | +50 mm |
| Stack | 614.9/616.8 | 641 | |
| Head tube angle | 64 | 64.2° | +0.2° |
| Seat tube angle | 76.6 | 77.0° | +0.4° |
| Chainstay length | 443.8 | 440 | −4 mm |
| Wheelbase | 1209.1/1209.7 | 1266 | |
| BB height | 341 | 343 | +2 mm |
| Standover | 720.1/716.2 | 755 | |
| Seat tube length | 380 | 420 | +40 mm |
| Head tube length | 100 | 125 | +25 mm |
| Effective top tube | not listed | 619 | |
| BB drop | not listed | 31 |
Differences are the Trek Fuel+ MX 9.9 Gen 2 minus the Santa Cruz Heckler SL. Full charts: 2025 Santa Cruz Heckler SL, 2027 Trek Fuel+ MX 9.9 Gen 2.
Where each sits in its class
Santa Cruz Heckler SLTrek Fuel+ MX 9.9 Gen 2
AggressivePositionUpright
CalmSteeringQuick
PlayfulBalancePlanted
Each bike is ranked against the other trail 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 | Santa Cruz Heckler SLGX AXS | Trek Fuel+ MX 9.9 Gen 29.9 X0 AXS Gen 2 |
|---|---|---|
| Frame | Santa Cruz Heckler SL | Trek OCLV |
| Fork | Fox 36 Performance Elite Grip X2 | RockShox ZEB B1 Ultimate |
| Rear shock | Fox FLOAT X Performance Elite | RockShox Vivid D1 Ultimate |
| Shifter | SRAM Pod Controller | SRAM Pod Controller |
| Derailleur | SRAM GX Eagle AXS | SRAM X0 Eagle AXS |
| Cassette | SRAM GX Eagle Transmission | SRAM X0 Eagle Transmission |
| Chain | SRAM GX Eagle Transmission | SRAM X0 Eagle |
| Crankset | Race Face Aeffect R | SRAM XX |
| Motor | Fazua Ride 60 | TQ HPR60-DRV01 |
| Battery | Fazua 430 | TQ HPR 580Wh V01 |
| Wheelset | Reserve 30|SL | Bontrager Line Pro 30 |
| Tire | Schwalbe Albert | Maxxis Assegai |
| Brake | SRAM Maven Bronze Stealth | SRAM Maven |
| Rotor | SRAM HS2 | SRAM HS2 |
| Handlebar | Santa Cruz e35 | Race Face ERA |
| Stem | Burgtec Enduro MK3 | Race Face Turbine |
| Grips | Santa Cruz House | Trek Line Elite |
| Headset | Cane Creek 50 | not listed |
| Dropper post | OneUp Components dropper post | not listed |
| Saddle | SDG Bel-Air | Trek Aeolus |
| Chainring | not listed | SRAM Transmission |
| Seatpost | not listed | Fox Transfer Neo |
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