From bike park jump lines to race-day adrenaline laps, the Rossignol Heretic GX T-Type mountain bike is built for full-send enduro riding. The tailor-made aluminum frame with a four-bar linkage and handpicked componentry balances lightweight agility and bulletproof durability for testing your limits. Set the geometry to your preferred mode, dial in the SRAM AXS Transmission and prepare to send the toughest descents and flowiest courses like never before. With 170 mm of travel up front and 165 mm in the rear, the Fox Factory-level suspension is dialed for a full-throttle attitude. Powerful four-piston SRAM Maven brakes and 200 mm rotors give you full control on the descent. It's time to go all in and find your flow. 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 20% lighter than previous generations with a stiffer, more durable design, made for low maintenance with oversize double bearings. Precision-Level Shock Tuning The Fox Factory Float X2 rear shock offers 165 mm of travel and four-way adjustability to fine-tune the feel for race-level performance. Adjustments are conveniently accessible via external dials. A genuine Factory Kashima coating offers the highest level of durability and smooth action. Smooth, Stiff and Enduro-Ready Fox Factory 38 170 mm travel suspension fork sets the stiffness-to-weight standard with a hard-hit-ready build that's tuneable and designed for gravity-fueled enduro riding. A genuine Factory Kashima coating offers the highest level of durability and smooth action. Precise, Pro-Grade Shifting and Durability SRAM GX AXS 12 SPEED Transmission is SRAM's wireless workhorse. Precise wireless shifting with a direct-mount derailleur for bullet-proof reliability. Race-Level Braking Power, Modulation and Durability SRAM's most powerful brake for full power and control in the most demanding terrain. The four-piston design provides pro-level modulation and control paired with 200 mm rotors for maximum braking power. Hidden Storage A hidden storage zone on the down tube keeps emergency tools secure and out of the way. Includes a multitool and tire lever with a bottle opener. Proven Performance and Durability DT Swiss E1900 wheelset and Maxxis tires offer proven performance and durability, so you can focus on picking the best line.