Ride hard and ride often. 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 mm 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. 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. Lightweight, Durable Build The Heretic frame is 25% lighter than previous generations with a stiffer, more durable design, made for low maintenance with oversize double bearings. 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.