First 650B MTB From Specialized - Stumpjumper FSR Comp Evo

 2015 Stumpjumper FSR 650B Comp Evo Review

The Stumpjumper FSR 650B uses 150mm of travel front and rear, stable trail-oriented geometry, thru-axles front and rear, a tapered headtube, and a press-fit PF30 bottom bracket. Geometry is tweaked over the existing models, in order to maximise the handling benefits of the mid-sized wheels. The rear Fox shock features the clever ‘AutoSag’ functionality, which enables quick and easy setup of the rear shock pressure without having to bust out the ruler.

The Stumpjumper line is the longest running name in mountain bike history, and it’s one that Specialized are clearly proud of. You’ll find 29er hardtails, 26″ full suspension, and 29″ full suspension models all bearing the Stumpjumper name on their downtubes. A quick look at the Specialized website will leave you a little dazed and confused, particularly when you try to wrap your head around the ‘EVO’ models too. However, the Stumpjumper has proved to be the perfect platform for Specialized to launch their first 650B bike, though we’ll bet our next deadline that you’ll be seeing more 650B models from them in the future…

The M5 aluminum Stumpjumper FSR Comp EVO is purpose-built for the aggressive trail rider. It separates itself from the "regular" Stumpjumpers with a slacker head angle and 150mm of front and rear travel. The Comp EVO features a custom FOX Float CTD Evolution shock with AUTOSAG, RockShox Revelation RC3 fork, and a 2.3" Specialized Butcher Control front tire.

Hot asymmetrical graphic on the M5 manipulated alloy frame with 150mm of rear wheel travel, EVO geometry, tapered headtube, 142mm dropouts, PF30 BB, and sealed cartridge bearing pivots pushes the boundaries of trail riding

FOX Float CTD Evolution shock with ground-breaking proprietary Specialized AUTOSAG features 3 compression settings: Climb, Trail and Descend, and rebound adjust

RockShox Revelation RC3 150mm fork has a tapered steerer, 15mm thru-axle, 3-position damper: open, medium, and firm, with rebound adjust, for a lightweight trail bike slider capable of ripping technical descents

Roval rims mated to Specialized Hi Lo hubs, oversized endcaps, a 142+ rear hub spacing, and 12mm thru-axle increase wheel stiffness for more confident riding

750mm-wide Specialized All-Mountain low-rise handlebar is built to control rough trail riding

Shimano Deore disc brakes provide great braking power and modulation while the Specialized Butcher and Purgatory tires keep the traction while rolling fast

Custom SRAM S-1250 10-speed All-Mountain double-ring shifts fast while the PF30 spindle makes for an efficient and stiff crankset

SRAM X9, Type2, 10-speed mid-cage rear derailleur and 11-36 cassette for smooth and reliable shifts

Specialized Command Post BlackLite uses a remote lever to adjust saddle height on-the-fly to maximize climbing and descending performance

 

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