Specialized Stumpjumper 15 Alloy Bike (2026)

2026 Specialized Stumpjumper 15 Alloy Enduro Mountain Bike in Gray. Specialized Reference: 93325-7603

The Stumpjumper 15 Alloy is here to eliminate compromises in the trail game. Want to devour bumps like a big bike? Check. Control, fun, and efficiency on short rides? Double check. How about an extra dose of customization to make it perfect for the only rider who really matters: you?

Checked, checked and checked.

Technical specifications

Box

• 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
• SWAT: SWAT internal downtube storage

Suspension

• Rear 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

Brakes

• 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

Transmission

• Shifters: Shimano Deore, M6100, 12spd
• Rear derailleur: Shimano Deore, M6100, 12pd, Shadow Plus
• 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

Wheels and tires

• 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"
• Cameras: Standard, Presta valve

Cockpit

• 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
• Saddle: Bridge, Steel rails, S1-S2: 155mm, S3-S6: 143mm
• Seatpost: TranzX Dropper, remote SLR LE lever, 34.9, S1: 125mm, S2: 150mm, S3: 170mm, S4-S6: 200mm

Weight

• Weight: 16.57 kg (S4)