The new Stumpjumper 15 arrives in aluminum

The new Stumpjumper 15 was presented a few weeks ago as one of the major updates in the Specialized catalog, now its version in premium M5 aluminum has arrived. The brand promises the same incredible advances in driving sensations, kinematics, and trail performance for its Alloy version, which also includes their innovative GENIE shock absorber.

New Specialized Stumpjumper 15 Alloy

The new Alloy frame of the Stumpjumper 15 is made of M5 alloy and features 29" wheels for larger sizes (S3-S6) with the option to use mullet wheels in sizes S1 and S2. The Fox Coil spring model offers the mullet option in all sizes. The 145mm rear suspension works with the horstlink FSR system, and it comes with 140 to 160mm forks depending on the size.

The variable geometry of the Stumpjumper 15 is maintained in its aluminum version thanks to the ability to change the head angle through the headset cup and the bottom bracket height through a flipchip located in the chainstays.

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This aluminum frame also includes its SWAT storage system in the downtube and for those who do not want to give up cable transmission, the Stumpjumper 15 Alloy does have internal cable routing, unlike its carbon version.

Other highlighted details are its 148mm Boost rear axle, the 73mm threaded bottom bracket, the SRAM UDH dropout, and the integrated protections for the chain or downtube.

The new Genie shock absorber that Specialized has customized based on the Fox Float Performance will be present in the Stumpjumper 15 Alloy Comp model.

Specialized Stumpjumper 15 Aluminum: models and prices

STUMPJUMPER 15 FOX COIL ALLOY - €6,500

• SWAT: SWAT internal downtube storage
• FRAME: M5 Alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
• SEAT CLAMP: Alloy, 38.6mm
• SHOCK: FOX DHX Factory, Ride Dynamics Trail Tune, 210x55mm
• FORK: FOX FLOAT 38 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, 160mm of travel
• FRONT BRAKE: TRP DH-R EVO, 4-piston caliper, hydraulic disc, 220mm
• REAR BRAKE: TRP DH-R EVO, 4-piston caliper, hydraulic disc, 203mm
• SHIFTER: Shimano SLX, M7100, 12spd
• REAR DERAILLEUR: Shimano SLX, M7100, SGS, 12-speed
• REAR CASSETTE: Shimano SLX, CS-M7100, 12-speed, 10-51t
• CHAIN: Shimano SLX, M7100, 12-speed
• CRANKSET: Shimano SLX, M7120, 32T ring, 55mm chainline
• BOTTOM BRACKET: Shimano, BB-MT801, Threaded
• RIMS: Roval Traverse, hookless alloy, 30mm inner width, tubeless ready
• FRONT HUB: DT Swiss 370, 15x110mm, 28h
• REAR HUB: DT Swiss 370, 12x148mm, 32h
• SPOKES: Sapim Force
• FRONT TIRE: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3”
• REAR TIRE: Eliminator, GRID GRAVITY casing, GRIPTON® T9/T7 compound, 2Bliss Ready, 27.5x2.3”
• TUBES: Standard, Presta valve
• STEM: Deity, 35mm clamp, 35mm length
• HANDLEBAR: Deity, Racepoint, 5-degree upsweep, 9-degree backsweep, 810 width
• GRIPS: Deity, Knuckleduster, Black
• SEAT: Bridge Comp, Hollow Cr-mo rails
• SEATPOST: PNW Loam OE Dropper, tool-less travel adjust, Range lever, 34.9mm
• WEIGHT: 16.90 kg (37 lb, 4.1 oz)

STUMPJUMPER 15 COMP ALLOY - €4,500

• SWAT: SWAT internal downtube storage
• FRAME: M5 Alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
• SEAT CLAMP: Alloy, 38.6mm
• SHOCK: FOX FLOAT Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/ LSR adjustment, S1:210x52.5mm, S2-S6:210x55mm
• FORK: FOX FLOAT 36 Rhythm, GRIP damper, two position Sweep adjustment, 15x110mm QR axle, 44mm offset, S1:140mm of travel, S2-S6:150mm of travel
• FRONT BRAKE: TRP Trail EVO, 4-piston caliper, hydraulic disc, 203mm
• REAR BRAKE: TRP Trail EVO, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm
• SHIFTER: Shimano SLX, M7100, 12spd
• REAR DERAILLEUR: Shimano SLX, M7100, SGS, 12-speed
• REAR CASSETTE: Shimano SLX, CS-M7100, 12-speed, 10-51t
• CHAIN: Shimano SLX, M7100, 12-speed
• CRANKSET: Shimano SLX, M7120, 32T ring, 55mm chainline, S1-S3:165mm, S4-S6: 170mm
• BOTTOM BRACKET: Shimano, BB-MT801, Threaded
• RIMS: Specialized, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: S1-S2: 27.5, S3-S6: 29
• FRONT HUB: Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h
• REAR HUB: Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
• SPOKES: DT Swiss Industry
• FRONT TIRE: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3”
• REAR TIRE: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3-S6: 29x2.3”
• TUBES: Standard, Presta valve
• STEM: Alloy Trail Stem, 35mm bar bore
• HANDLEBAR: Specialized, 6000 series alloy, 6-degree upsweep, 8-degree backsweep. S1-S2: 780 width, 20mm rise: S3-S4: 800 width, 30mm rise: S5-S6: 800 width, 40mm rise

STUMPJUMPER 15 ALLOY - €3,250

• SWAT: SWAT internal downtube storage
• FRAME: M5 Alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
• SEAT CLAMP: Alloy, 38.6mm
• SHOCK: X-Fusion 02 Pro RL, Ride Dynamics Trail Tune, rebound adjust, lockout S1: 210x52.5mm, S2-S6: 210x55mm
• FORK: RockShox Psylo Silver, Motion Control Damper, 15x110 axle, 44mm offset, S1: 140mm of travel, S2-S6: 150mm of travel
• FRONT BRAKE: Shimano BR-MT420, 4-piston caliper, hydraulic disc, 203mm
• REAR BRAKE: Shimano BR-MT420, 4-piston caliper, hydraulic disc, S1-S2: 180mm, S3-S6: 203mm
• SHIFT LEVERS: Shimano Deore M6100, 12spd
• REAR DERAILLEUR: Shimano Deore M6100, 12spd, Shadow Plus
• REAR CASSETTE: Shimano Deore M6100, 12spd w/Hyperglide+, 10-51t
• CHAIN: Shimano Deore M6100, 12-speed
• CRANKSET: Shimano Deore M6120, 30T ring, 55mm chainline, S1-S3: 165mm, S4-S6: 170mm
• RIMS: Specialized Alloy, Tubeless Ready, 29mm internal width, 28h, Front: 29, Rear: S1-S2: 27.5, S3-S6: 29
• FRONT HUB: Alloy, sealed cartridge bearings, 15x110mm thru-axle, 28h
• REAR HUB: Alloy, sealed cartridge bearings, 12x148mm thru-axle, 28h
• SPOKES: Stainless 14g
• FRONT TIRE: Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3”
• REAR TIRE: Eliminator, GRID TRAIL casing, GRIPTON® T7 compound, 2Bliss Ready, S1-S2: 27.5x2.3, S3-S6: 29x2.3”
• TUBES: Standard, Presta valve
• STEM: Alloy Trail Stem, 35mm bar bore
• HANDLEBAR: Specialized 6000 series alloy, 6-degree upsweep, 8-degree backsweep, S1-S2: 780 width, 20mm rise, S3-S4: 800 width, 30mm rise, S5-S6: 800 width, 40mm rise
• GRIPS: Specialized Trail Grips
• SEAT: Bridge, Steel rails, S1-S2: 155mm, S3-S6: 143mm
• SEATPOST: TranzX Dropper, remote SLR LE lever, 34.9mm, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm
• WEIGHT: 16.57 kg (36 lb, 8.5 oz)

STUMPJUMPER 15 ALLOY FRAME - €2,600

• SWAT: SWAT Internal Downtube Storage
• FRAME: M5 alloy chassis and rear-end, Trail Geometry, SWAT™ Door integration, head tube angle adjustment, threaded BB, internal cable routing, 12x148mm dropouts, sealed cartridge bearing pivots, SRAM UDH compatible, 145mm of travel
• SEAT CLAMP: Alloy, 38.6mm
• SHOCK: FOX FLOAT Performance with Specialized GENIE Shock Tech, Ride Dynamics Trail Tune, 2-position lever w/LSR adjustment, S1: 210x52.5mm, S2-S6: 210x55mm
• WEIGHT: 4.31 kg (9 lb, 8.0 oz)