Ready. Set. Send The Rossignol Heretic SLX mountain bike is your ticket to ride the bike park and beyond. The tailor-made aluminum frame with a four-bar linkage and enduro geometry balances performance and cost for progressive riders looking to up their game. With a 170 mm Fox 38 up front and a tuneable 165 mm Fox Float X2 in the rear it's ready to let it rip. It's fully kitted out with a Shimano SLX 12-speed drivetrain for precision shifting and includes the high-performance stopping power of Shimano SLX four-piston brakes with 200 mm rotors. It's time to saddle up and pick your line. 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 more than 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 FLOAT X2 Performance 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. Smooth Stiff and Enduro-Ready Fox Factory 38 performance 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. Precise 12-Speed Shifting Shimano SLX 12-speed drivetrain provides fast precise shifting. Shimano Hyperglide technology lets you shift under load with a smooth efficient feel. Four-Piston Braking Power Modulation and Durability Shimano SLX four-piston hydraulic brakes balance durability and performance to offer increased stopping power and wide-ranging modulation for confident control in any terrain. 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. Durable Performance Wheelset E13 wheelset and Maxxis tires offer proven durability and traction so you can focus on the trail ahead.