Experience the ultimate mountain biking experience with the Specialized Stumpjumper 15 Expert. With 43 years of innovation, this full-suspension bike offers no compromises in trail riding. Featuring GENIE Shock Technology, it provides a lively and playful ride while maintaining ultimate control and traction. This bike can be customized to your preferences with six-way geometry adjustments and mixed-wheel options. Discover a new level of precision and performance with the Specialized Stumpjumper 15 Expert. Powered by 43 years of innovative design, this full-suspension bike delivers a ride like no other on the trail. Counter every obstacle with confidence and agility, thanks to GENIE Shock Technology. Achieve the perfect blend of control and grip with customizable six-way geometry and the option to mix wheel sizes.

Six-way geometry adjusts mixed wheel or 29, tunable spring curve, and more. The biggest single innovation on the Stumpjumper 15 is GENIE. This patent-pending air spring technology invented by the Specialized Science Club grants every trail rider three wishes: Feel and control of a coil spring, Better bottom-out prevention than a standard air spring, and a Tunable platform for a playful feel. The data shows 16.3% better bump force management and 39% fewer severe bottom-outs than standard air-sprung shock. It’s the best of both worlds coil and air with extra tunability. Say goodbye to compromises and hello to the future of riding. GENIE technology gives you a customized ride experience with six-way geometry adjustment, mixed wheel compatibility, and tunable spring curves. The Stumpjumper 15 Expert offers the perfect balance between controlling a coil spring and preventing bottom-outs in the air. Based on data, this patent-pending air spring technology provides 16.3% better bump force management and 39% fewer severe bottom-outs than traditional air-sprung shocks. Take advantage of GENIE’s tunable “platform” to achieve the playful, customizable ride you’ve always wanted. Ditch the compromises and embrace the future of trail riding.