Specialized Stumpjumper 15 Redefines Trail Bike Capability w/ Genie Rear Shocks & Adjustable Geo
Briefly

The new Stumpy is an efficient pedaling trail bike, but through its adjustments and clever suspension tech, it can handle a lot more than your average 145mm travel MTB.
Specialized moved material to the Stumpy 15's beefed-up shock link to maintain strength and stiffness, eliminating the asymmetrical 'sidearm' support for a cleaner look.
The 2025 Stumpy has 145mm of rear travel, different fork sizes across models, MX wheels for smaller sizes, and 29" wheels for larger sizes, with mullet compatibility on bigger frames.
The Stumpjumper 15 features an adjustable head tube angle through swapping headset cups, allowing variations between neutral or +/- 1° cups, enabling the steering angle to range from 65.5° to a very slack 63°.
Read at Bikerumor
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