2025 Heretic Deore 12 (all sizes)
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Local pickup only: This bike is available for pickup at our Provo, UT shop. We're unable to ship bikes at this time.
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The Rossignol Heretic Deore 12 mountain bike is built for full-gas enduro riding and park laps. The tailor-made aluminum frame with a four-bar linkage and enduro geometry balances performance and cost for gravity-fueled fun. With a 170 mm Marzocchi Bomber Z1 up front and a tuneable 165 me Bomber Air in the rear, it's trail-ready and downhill-rated for fun. It's fully kitted out with a Shimano Deore 12-speed drivetrain for responsive shifting and includes the high-performance stopping power of Shimano four-piston brakes with 200 mm rotors. Get ready to push your skills.
Features
- Agile, Responsive, Enduro Design: 6061 hydroformed aluminum frame with 165 mm travel Horst-Link four-bar rear suspension platform for fun, agile gravity-fueled riding.
- Adaptive Geometry: Choose attack or flow mode. Flipchip design in the rear triangle lets you adapt frame geometry to match the course and your riding style.
- Bomber, Tuneable Suspension: The Marzocchi Bomber Air 165 mm rear shock offers trail-ready, downhill-rated suspension that's as tuneable, bomber and easy to use.
- Adjustable, Enduro Performance: The Marzocchi Bomber Z1 suspension fork handles rowdy descents thanks to a 36 mm chassis and silky smooth travel that lets you point your bike downhill with confidence.
- Smooth 12-Speed Shifting: Shimano Deore 12-speed drivetrain provides fast, efficient shifting with Shimano Hyperglide technology for a smooth feel under load.
- Four-Piston Braking Power, Modulation and Durability: Shimano four-piston hydraulic brakes offer increased stopping power and wide-ranging modulation for confident control in any terrain.
- Reliable Downhill Durability: WTB ST I30 Tubeless wheelset and Maxxis tires offer the durability and traction you need to focus on the fun.
Tech Specs
| Product Code | RMNHE04M000 |
| Rotors | Shimano RT64 - 203 mm |
| Tire Front | Maxxis Assegai, 2.5, 3C, EXO, TR |
| Tire Rear | Maxxis Minion DHR II, 2.4, 3C, EXO, TR |
| Build | Heretic Deore 12 |
| Chain | Shimano M6100 |
| Chainguide | E13 Vario Chainguide |
| Crank | Shimano Deore 12 M6120, 32T |
| Shifters | Shimano Deore 12 I-Spec |
| Freewheel | Shimano Deore 12 M6100, 10-52 |
| Rear Derailleur | Shimano Deore 12 |
| Shock | Marzocchi Bomber Air 205x65 |
| Saddle | WTB Silverado |
| Seat Post Setting | M Size: 150 mm |
| Seat Post | Exaform 900i dropper post |
| Handlebar | Rossignol 35 handlebar, 800 mm |
| Stem | Rossignol Enduro 35 stem |
| Grips | SDG Thrice grips black |
| Front Hub | Shimano TC500 |
| Rear Hub | Shimano TC500 |
| Wheels | WTB ST I30 Tubeless |
| Brake (Front) | Shimano MT420 |
| Brake (Rear) | Shimano MT420 |
| Headset | Acros ZS49/ZS49 |
| Fork | Marzocchi Z1 fork 29, 15x110, 170 mm, red |
| Frame | Rossignol Heretic V2 2026 |
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