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Compare up to three bikes: actual components, measurable differences, geometry in your chosen size and current HPM Sport offers.

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Available bikes

Specialized · MY 2025

Stumpjumper 15 Alloy - FOX Coil

159,290 CZK

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Weight: 16.90 kg
Motor: Not stated
Battery: Not stated
Travel front/rear: 160 mm / 145 mm

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measurable advantage weaker value difference without a verdict

Differences only · on

There are no differences in the published specifications: both bikes have identical values for every compared item.

Specifications	Specialized Stumpjumper 15 Alloy - FOX Coil
Frame
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
Suspension
Forks	FOX FLOAT 38 Factory, GRIP X2 damper, HS and LS rebound and compression adjustment, 15x110mm QR axle, 44mm offset, 160mm of travel
Rear shock	FOX DHX Factory, Ride Dynamics Trail Tune, 210x55mm, S2: 400lbs, S3: 450lbs, S4: 500bs, S5: 550lbs, S6: 600lbs
Front travel	160 mm
Rear travel	145 mm
Brakes
Front brake	TRP DH-R EVO, 4-piston caliper, hydraulic disc, 220mm
Rear brake	TRP DH-R EVO, 4-piston caliper, hydraulic disc, 203mm
Motor
Drivetrain	Shimano SLX, M7100, 12spd
Rear derailleur	Shimano SLX, M7100, SGS, 12-speed
Cassette	Shimano SLX, CS-M7100, 12-speed, 10-51t
Chain	Shimano SLX, M7100, 12-speed
Crankset	Shimano SLX, M7120, 32T ring, 55mm chainline, S2-S3:165mm, S4-S6: 170mm
Bottom bracket	Shimano, BB-MT801, Threaded
Wheels and tyres
Rims	Roval Traverse, hookless alloy, 30mm inner width, tubeless ready, Front: 29, Rear: 27.5
Front hub	DT Swiss 370, 15x110mm, 28h
Rear hub	DT Swiss 370, 12x148mm, 32h
Spokes	Sapim Force
Front tyre	Butcher, GRID TRAIL casing, GRIPTON® T9 compound, 2Bliss Ready, 29x2.3"
Rear tyre	Eliminator, GRID GRAVITY casing, GRIPTON® T9/T7 compound, 2Bliss Ready, 27.5x2.3"
Inner tubes	Standard, Presta valve
Cockpit and contact points
Stem	Deity, 35mm clamp, 35mm length
Handlebars	Deity, Racepoint, 5-degree upsweep, 9-degree backsweep, 810 width, S2: 25mm rise: S3-S6: 38mm rise
Grips and bar tape	Deity, Knuckleduster, Black
Saddle	Bridge Comp, Hollow Cr-mo rails, S1-S2: 155mm, S3-S6: 143mm
Seatpost	PNW Loam OE Dropper, tool-less travel adjust, Range lever, 34.9, S2: 150mm, S3: 170mm, S4-S6: 200mm
Accessories
SWAT	SWAT internal downtube storage
Weight
Weight	16.90 kg
Weight for size	S4

Same size, fair comparison

Geometry by size

Geometry differences only

Geometry on the bike Hover over a table row — or tap it — and the dimension is drawn on the bike.

There are no differences for the selected sizes: their geometry is identical.

Dimension	Stumpjumper 15 Alloy - FOX Coil S4
	170mm
Handlebar width mm	810mm
	35mm
Šířka sedla	143mm
	200mm
	644mm
	470mm
	125mm
	64°
	340mm
	35mm
	134mm
	573mm
	44mm
	816mm
	432mm
	1247mm
	625mm
	745mm
	425mm
	76°
	780mm
	255mm
	80mm

The first bike is the reference for the sign of each difference. Green and red are used only where the direction is meaningful: lower weight and higher published electric motor output. Dimensions, travel, capacity, crank length and price are differences without an automatic verdict. “—” means the manufacturer has not published the value. We show weights in kilograms; the manufacturer’s values in pounds are not displayed.

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Stumpjumper 15 Alloy - FOX Coil

Geometry by size

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