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The New Stumpjumper is here!

The New Specialized Stumpjumper is here!

The Specialized Stumpjumper was first introduced in 1981 and has been through many changes, for 2019 it has had a complete redesign.

There is now a choice of three bikes: Stumpjumper Short Travel (ST), which replaces the Camber, Stumpjumper, and the Stumpjumper Evo.
The Stumpjumper ST has comes with a 130mm fork and 120mm rear travel on 29” wheels. The Stumpjumper has 150mm front and 140mm rear travel with 29” wheels, and 150mm front and rear with 27.5” wheels.
The most striking change is the new single sided front triangle design, with a shock and linkage similar to the current bike. The purpose of this is to increase frame stiffness, which is increased over the old design with the aim to improve front to rear balance. Every size has been tuned with a Rider First size-specific approach, resulting in different tube shapes and carbon layup to optimize stiffness and weight. That improves stiffness-to-weight on the larger sizes and saves up to 140g on the smaller sizes.
The swingarm has also been redesigned, bringing about a 100g weight reduction and 8% increase in stiffness. The new aluminium frame sees a massive weight reduction of 550g. As with the new Enduro there is a return to external, threaded bottom brackets, the new bike is 1x only.
Specialized are making a lot of noise about the lack of noise on the new bike. A shaker machine and high-speed camera were used to determine what the chain was doing when you’re smashing over roots and rocks. Specialized developed a rubber chainstay protector with profiled knobs to dampen the noise.

The Stumpjumper ST and Stumpjumper share the same frame and swingarm. Both are available in carbon and aluminium.
The FSR suspension has had considerable changes aimed at providing improved suspension performance. Autosag has gone, due to the limitations it imposed on the negative spring and transfer port location, and Specialized found it could get the suspension performance it desired with the latest Fox EVOL and RockShox Debonair shocks, with easier tuning setup. To aid sag setup, all bikes will be supplied with a small sagometer.

The leverage curve has been made a little less progressive to provide a more supple action at the beginning of the stroke, with more support in the mid stroke, every bike has a shock with a lighter tune than before, with less reliance on volume spacers for more aggressive riders due to the extra midstroke support.

The new linkage is fully compatible with standard stroke and eye-to-eye metric shocks, and will make many people happy, there’s space for a coil shock. Standard eyelets are used for easy shock swapping and a flip-chip provides a 0.5-degree head angle and 6mm bottom bracket adjustment.

The Stumpjumper as expected is now longer and slacker. Shorter stems have also been specified across the range, and shorter seat tubes allow for longer dropper posts.
Key Features
New frameset (20% lighter sizes S / M, 20% stiffer sizes L / XL)
Major focus on stiffness and increased rider performance via 2 years of R&D, testing and rider feedback
Rear end 100g lighter (all sizes)
Sidearm design stiffens front triangle and eleviates shock deflection under load
Improved shock performance - smoother, more useable travel
Each model and wheel size has a custom RX tune
Metric shock sizing, no autosag (more compatability)
Increased reach, lower stack height, Shorter ST, longer wheelbase, half degree slacker HA
Flip chip offering geometry adjustment - lower BB, slacker HA, shorter reach
Threaded BB
Improved cable routing
New chainstay protector offering virtually smooth, quiet ride
SWAT storage 20% increased
No hybrid frames - Alloy F&R or Carbon F&R
Improved spec, same price points as MY18
Introduction of Stumpjumper FSR ST and Stumpjumper FSR Women's (Camber and Rhyme phased out)