Specialized Stumpjumper ST Alloy 27.5 2018

MTB Trail

Groupset

Shimano SLX

Frame material

Alloy

Wheel size

27,5"

Suspension type

Full suspension

About the Specialized Stumpjumper ST Alloy 27.5 2018

The Specialized Stumpjumper ST Alloy 27.5 2018 is a Full suspension Trail Mountain Bike with a alloy frame. Equipped with a Shimano SLX drivetrain of 11 gears (1x11).

Specifications

Acessories
Pedals	Specialized Dirt

Components
Steam	Specialized Trail
Handlebar	Specialized Alumínio 6061

Drivetrain
Bottom bracket	SRAM Power Spline
Rear derailleur	Shimano SLX RD-M7000-10-SGS 313 g SGS 10s
Average weight (g) 313 B axle hollow B axle material Stainless steel Bracket finish Painted Bracket material Steel Bracket body finish Painted Bracket body material Aluminum Compatible chain HG-X 10-speed Lower pulley max 36T Lower pulley min 32T Model RD-M7000-10-SGS P axle material Steel pulley.screws_material Stainless steel pulley.sunken_type_pulley_screw Pulley teeth 11T Pulley cage SGS Speeds 10 Upper pulley max 11T Upper pulley min 11T Total capacity 43T
Shifter	Shimano SLX SL-M7000 135 ( /pc) g RAPIDFIRE PLUS
Average weight (g) 135 ( /pc) Base cover material GFRP Clamp bolt material Stainless steel Primary color Series color Compatible rear derailleur type MTB 11-speed Compatible with I spec Main lever body material GFRP & Steel Max multiple shifts main lever rear 3 Model SL-M7000-11-R Mount type Clamp band Optical gear display With (removable) Speeds 11 Release function 2-WAY RELEASE release_lever_body.material GFRP & Steel Shifter type RAPIDFIRE PLUS Shifting lever bracket finish Painted Shifting lever bracket material Aluminum Shifting lever cable finish OPTISLICK Shifting lever cable material Stainless steel Shifting lever cable adjust
Chain	KMC X11
Crankset	SRAM NX 10/11s 745 g
BB compatibility BB30/PF30-68/73mm GXP 100mm/PF GXP 121mm GXP/PF GXP 68/73mm PowerSpline BB BB spindle interface 24mm, 30mm, Power Spline Bolt circle diameter bcd 94 BCD, Direct Mount (DM) Chain line 49.0mm, 52.0mm, 66.5mm Chainring material Aluminum, Steel Chainring size 28T, 30T, 32T, 36T, 38T Crank arm length 155mm, 165mm, 170mm, 175mm Model FC-NX-1-A1 Name NX 1x X-SYNC™ Crankset Speeds 10/11 Weight based on GXP 175mm 32t Alu Weight 745

Frameset
Front suspension	RockShox Recon RL Solo Air
Color Diffusion Black, Gloss Black, Gloss White fork offset 42mm (27.5"), 46mm (29"), 51mm (29") Max tire width (mm) 62, 81 Maximum rotor size 220mm Minimum rotor size 160mm Model FS-RCN-RL-A1 Name Recon RL Spring Solo Air Travel (mm) 100mm, 120mm, 130mm, 140mm, 150mm, 80mm Upper tube type 32mm straight wall steel Wheel size 27.5", 29"
Rear suspension	X-Fusion O2 Pro RL

Wheels
Tires	Specialized Butcher Grid

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SLX 1 × 11

Crank: 32T

Cassette: 11-46T

Speeds: 11s

Gearing

Average

0,7

Average

2,91

Compared to similar bikes, the Specialized Stumpjumper ST Alloy 27.5 2018 has a good uphill performance and a good downhill performance.

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Geometry

Size	S	M	L	XL
a Seat tube length	380,0	410,0	455,0	505,0
b Seat tube angle	76,3º	76,0º	75,6º	75,2º
c Top tube length	568,0	591,0	624,0	657,0
d Head tube length	105,0	110,0	140,0	155,0
e Head tube angle	66,5º	66,5º	66,5º	66,5º
f Rake	-	-	-	-
g Trail	-	-	-	-
h Wheelbase	1149,0	1170,0	1203,0	1234,0
i Chainstay length	432,0	432,0	432,0	432,0
j Bottom bracket drop	30,0	30,0	30,0	30,0
k Stack height	586,0	590,0	618,0	631,0
l Reach	425,0	444,0	465,0	490,0
m Standover height	744,0	749,0	761,0	762,0
x Bottom bracket height	-	-	-	-
y Front center	-	-	-	-

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