2027 Trek Rail+ Gen 5 vs 2025 Santa Cruz Heckler SL
The M is the Santa Cruz Heckler SL size closest to your S Trek Rail+ Gen 5. 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 Heckler SL
Compared with the Trek Rail+ Gen 5 in S, the Santa Cruz Heckler SL in M places the top of the head tube 32 mm higher and 22 mm further forward, relative to the bottom bracket.
- Frame stack
- +32 mm
- Higher front end
- Frame reach
- +22 mm
- Longer frame reach
- Wheelbase
- n/a
- One of the bikes has no number for this
- Head angle
- −1.0°
- Slacker: calmer steering
- Chainstays
- −2 mm
- About the same
The two frames
Trek Rail+ Gen 5, SSanta Cruz Heckler SL, MDrawn to scale and lined up at the bottom bracket.
Geometry side by side
| Measurement | Trek Rail+ Gen 5 S | Santa Cruz Heckler SL M | Difference |
|---|---|---|---|
| Reach | 435 | 457.4 | +22 mm |
| Stack | 594 | 625.8 | +32 mm |
| Head tube angle | 65.0° | 64 | −1.0° |
| Seat tube angle | 77.9° | 76.9 | −1.0° |
| Effective top tube | 562 | not listed | |
| Chainstay length | 446 | 443.8 | −2 mm |
| Wheelbase | 1201 | 1238.4/1239.1 | |
| BB drop | 12 | not listed | |
| BB height | 345 | 341 | −4 mm |
| Standover | 767 | 728.8 | −38 mm |
| Seat tube length | 380 | 405 | +25 mm |
| Head tube length | 100 | 110 | +10 mm |
Differences are the Santa Cruz Heckler SL minus the Trek Rail+ Gen 5. Full charts: 2027 Trek Rail+ Gen 5, 2025 Santa Cruz Heckler SL.
Where each sits in its class
Trek Rail+ Gen 5Santa Cruz Heckler SL
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 | Trek Rail+ Gen 55 Gen 5 | Santa Cruz Heckler SLGX AXS |
|---|---|---|
| Frame | Trek Alpha Platinum | Santa Cruz Heckler SL |
| Fork | RockShox Psylo | Fox 36 Performance Elite Grip X2 |
| Rear shock | RockShox Deluxe Select | Fox FLOAT X Performance Elite |
| Shifter | Shimano Deore M6200 | SRAM Pod Controller |
| Derailleur | Shimano XT M8200 | SRAM GX Eagle AXS |
| Cassette | Shimano Deore M6200 | SRAM GX Eagle Transmission |
| Chain | Shimano Deore M6100 | SRAM GX Eagle Transmission |
| Motor | Bosch Performance Line CX | Fazua Ride 60 |
| Battery | Bosch Powertube | Fazua 430 |
| Wheelset | Bontrager Line | Reserve 30|SL |
| Tire | Bontrager Gunnison Elite XR | Schwalbe Albert |
| Hub | Shimano TC500 | not listed |
| Rim | Bontrager Line TLR 30 | not listed |
| Brake | Shimano 4-piston | SRAM Maven Bronze Stealth |
| Rotor | Shimano SM-RT64 | SRAM HS2 |
| Stem | Bontrager Comp | Burgtec Enduro MK3 |
| Grips | Trek Line | Santa Cruz House |
| Dropper post | TranzX JD-YSI34 | OneUp Components dropper post |
| Seatpost | TranzX JD-YSI34 | not listed |
| Saddle | Bontrager Verse P3 | SDG Bel-Air |
| Crankset | not listed | Race Face Aeffect R |
| Handlebar | not listed | Santa Cruz e35 |
| Headset | not listed | Cane Creek 50 |
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