The Stumpjumper 15 Expert is here and ready to eliminate any compromises in trail riding. Can it absorb obstacles on the trail like a big bike? Check. Does it possess the control, playfulness, and efficiency of bikes with minimal suspension travel? Double check. And what about various adjustment options to tailor the bike perfectly to you and your riding style? Check, check, check. EVEN MORE COMPETENT: Our new GENIE damping technology combines a fun and bouncy riding experience with downhill capabilities typical of enduro bikes. EVEN MORE CONTROL: The Stumpjumper 15 has better traction characteristics than our "Bike of the Year," the Stumpjumper EVO. ENDLESSLY CUSTOMIZABLE: With six different geometry settings, mullet or full 29er options, adjustable spring curves, and much more. GENIE LEAVES NO WISH UNFULFILLED: Our latest innovation is GENIE, an air damping technology that fulfills the three biggest wishes of our riders. It features an almost “puncture-proof” air damper with the smooth feel of a steel spring—along with ultra-fine adjustability. THE BEST OF BOTH WORLDS: GENIE combines the linear spring rate of a steel spring in the first 70% of the travel with the progressive spring rate of an air spring in the last 30%. This maximizes control and avoids bottom outs. GENIE offers the best of both worlds—steel and air springs—plus tuning options. Say goodbye to compromises. The future of trail riding begins now. BETTER IMPACT FORCE MANAGEMENT: With 16.3% better impact force management than conventional air-sprung dampers, GENIE ensures that the Stumpjumper 15 rides as if it has much more travel. For example, the Stumpjumper 15 with 145 mm in the rear and our enduro with 170 mm both use 101 mm of travel to absorb an impact force of 1080 N. MORE TRACTION: Extensive tests in the lab and on the trails have also shown that the Stumpjumper 15 with GENIE delivers 57% better traction than a conventional air-sprung damper. Our new GENIE technology provides the smooth performance of a steel spring, resulting in better rear wheel contact than a standard air damper. You transfer power more effectively, gaining more control. LESS BOTTOM OUTS: The harder the hits, the more the "silent reserve" of GENIE reveals its full potential. In the last 30% of the travel, the damping resistance increases progressively, reducing the potential for bottom outs in both frequency and intensity. PROGRESSIVE TRAIL GEOMETRY: The geometry of this bike delivers big bike virtues on demand, offering a lightweight, agile steering feel in tight sections and an incredibly efficient climbing ability. The central, spacious cockpit positions riders for optimal traction and cornering control. The low bottom bracket, slack head tube angle, and optimized fork offset provide easy balance in challenging terrain due to high stability. A FRAME FULL OF POSSIBILITIES: Six individual settings allow riders to perfectly adjust the ergonomics and efficiency of their bike to preferences and terrain. Steering angle and bottom bracket height can be altered for optimal center of gravity or necessary ground clearance. MULLET OR FULL 29ER: Large wheels for better rollover behavior and more momentum, or a smaller rear wheel for increased playfulness? You choose. If you want to change the combination, we offer the corresponding rocker link in our shop. And no worries, geometry and suspension characteristics remain the same. SWAT BOX: The ingenious SWAT™ Box 4.0 in the downtube offers a wind, weather, and crash-proof storage compartment in the Stumpjumper 15, now even safer and better integrated.