Specialized Stumpjumper FSR Expert Carbon 650b 2016 Mountain Bike

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The 2016 Specialized Stumpjumper FSR Expert Carbon 650b takes the proven ability of the 27.5” wheel FSR Elite and adds to that a FACT 9m carbon frame for supreme lightweight agility.

The Stumpy Expert Carbon 650b sees an upgrade to Shimano’s race-ready XT brakes and the gears are taken care of by SRAM’s X1 1x11 set. Up front you’ve got 150mm of smooth RockShox Pike RC travel, with a custom Fox Float Factory CTD Kashima coated rear shock giving 150mm travel at the back. Stiff, light, agile, fun!

The Specialized Stumpjumper name has been on the scene for nearly 35 years, and that’s not by accident. Since the first Stumpjumper FSR back in 1994, Specialized’s continued innovation and evolution of the original 4 bar linkage has resulted in one of the handling trail bikes on the market. The Stumpy is available on interest free finance (0%) with flexible deposit options from £0.

Key Features:

  • FACT 9m carbon fibre Trail Chassis with Stumpjumper FSR M5 alloy rear end blends stiffness with lightweight to form the pinnacle of efficiency, while fully enclosed cable routing and an integrated SWAT Door create exceptional handling and zero-hassle storage.
  • Connected with the FSR 6-Pack Linkage, a custom FOX FLOAT Factory rear shock features AUTOSAG for easy setup and 135mm of plush, adjustable suspension, while the Rx Trail Tune gives a more supple, responsive, and efficient feel for climbing up and descending down the trail.
  • RockShox Pike RC 29 fork features a 15mm Maxle Ultimate thru-axle and 140mm of plush travel to take on big hits and bumpy terrain with supreme confidence and efficiency.
  • 29x2.3 Specialized Butcher Control front tyre inspires confidence through any terrain.
  • 29x2.3 Specialized Purgatory Control rear tyre delivers reliable traction over a diverse section of soils and conditions.
  • Command Post IRcc seatpost features 12 positions of up to 125mm of height adjustability for a more customizable position, ultimately resulting in more control and increased handling on both climbs and descents.


Frame FACT 9m carbon, Trail 650b Geometry, FACT IS carbon construction, M5 alloy rear triangle, SWAT Door integration, fully enclosed internal cable routing
Forks RockShox Pike RC 650b, Solo Air spring, 150mm travel, compression adjust, rebound adjust, tapered steerer, 42mm offset, 15mm Maxle Ultimate thru-axle
Rear_Shock Custom FOX FLOAT Factory CTD, AUTOSAG, Rx Trail Tune, Boost Valve, Kashima coating, 197x47.6mm
Headset Hella Flush, 1-1/8" and 1-1/2" threadless, Campy style upper w/ 1-1/2" lower, cartridge bearings
Handlebars Specialized, 7050 alloy, 8-degree backsweep, 6-degree upsweep, 25mm rise, 750mm, 31.8mm
Stem Specialized XC, 3D forged alloy, 4-bolt, 6-degree rise
Shifters 11 Speed SRAM X1, 11-speed, trigger
Rear_Mech SRAM X1, 11-speed, alloy cage
Chainset Custom SRAM S-2200, carbon, PF30 spindle, 30T, 94mm BCD spider
Bottom_Bracket SRAM, PF30, OS press-in bearings, sealed cartridge
Chain SRAM PC-X1, 11-speed
Cassette SRAM XG-1180, 11-speed, 10-42t
Front_Brake Shimano XT, hydraulic disc, Ice-Tech metallic pads w/ fins, I-spec compatible, S/M: 180mm rotor, L/XL: 200mm rotor
Rear_Brake Shimano XT, hydraulic disc, Ice-Tech metallic pads w/ fins, I-spec compatible, S/M: 160mm rotor, L/XL: 180mm rotor
Rims Roval Traverse 650b, alloy, disc, 29mm inner width, 24/28h
Front_Hub Roval Traverse, 15/20mm thru-axle, 24h
Rear_Hub Roval Traverse 142+, SRAM XX1 driver body, 12mm thru-axle, 28h
Spokes DT Swiss Revolution
Tyres Specialized Butcher Control, 60TPI, 2Bliss Ready, folding bead, 650bx2.3" FrontSpecialized Purgatory Control, 60TPI, 2Bliss Ready, folding bead, 650bx2.3" Rear
Seatpost Command Post IRcc, cruiser control technology, micro-adjust height adjustable, alien head design, bottom mount cable routing, remote adjust SRL lever, 30.9mm, S: 100mm travel, M/L/XL: 125mm

Occasionally, without notice, manufacturers change product design and/or specifications.