BikeWise

Specialized Stumpjumper ST Expert 29 2018

MTB Trail
Groupset
SRAM GX Eagle
Frame material
Carbon
Wheel size
29"
Suspension type
Full suspension
Specialized Stumpjumper ST Expert 29 2018

About the Specialized Stumpjumper ST Expert 29 2018

The Specialized Stumpjumper ST Expert 29 2018 is a Full suspension Trail Mountain Bike with a carbon frame. Equipped with a SRAM GX Eagle drivetrain of 12 gears (1x12).

Specifications

Acessories
Pedals
Specialized Dirt
Components
Seatpost
Specialized Command Post IRCC
Saddle
Specialized Phenom Comp
Steam
Specialized Trail
Brake lever
SRAM Guide R
Brakes
SRAM Guide R Hydraulic 392 g
Application
MTB
Blade material
Aluminum - Stamped
Bracket disk brake
Direct mount DIR, Intl Std(140mm Rear,160mm Frt rotor) 0IS, Intl Std(160mm Rear,180mm Frt rotor) 20I, Intl Std(170mm Rear rotor) 30I, Intl Std(180mm Rear,200mm Frt rotor) 40I, Intl Std(200mm Rear rotor) 60I, Post mount (10mm spacer) 10S, Post mount (20mm bracket) 20P, Post mount (20mm spacer) 20S, Post mount (30mm bracket) 30P, Post mount (40mm bracket) 40P
Brake type
Hydraulic
Color
Gloss Black
Model
DB-GDE-R-B1
Name
Guide R
Orientation
Front, Rear
Pad type disc
Steel-backed metal sintered, Steel-backed organic
Weight based on
Direct Mount, 800mm hose, 160mm CL Rotor
Weight
392
Drivetrain
Chain
SRAM GX Eagle 244 g
Chain connector
PowerLock
Chain length links
126 links
Color inner link
Black
Color outer link
Silver
Compat speed
12s-Eagle
Inner link finish
Black Oxide
Model
CN-EAGL-GX-A1
Name
GX Eagle Chain
Outer link finish
Nickel
Pin variant
Solid Pin
Weight based on
114 links
Weight
244
Bottom bracket
SRAM GXP 108 g
BB frame interface
English/BSA (MTB/Road: 68/73mm), English/BSA (MTB: 83mm), English/BSA 100mm, English/BSA 68/73mm, English/BSA 68mm, English/BSA 73mm, English/BSA 83mm, English/BSA Tandem, Italian (70mm)
Bearing type
Ceramic, Standard
Chain line
51.0mm, n/a
Crank interface
GXP
Cup material
Aluminum
Model
BB-GXP-A1
Name
GXP Bottom Bracket
Spindle diameter
24mm
Weight based on
BB GXP Team English 68/73
Weight
108
Cassette
SRAM XG-1275 Eagle 12s
Cog finish cassete
Black
Cog sizes
10-52t:10,12,14,16,18,21,24,28,32,36,42,52
Gearing
10-52t
Model
CS-XG-1275-B1
Name
XG-1275 Eagle Cassette
Speed
12s
Technology cassete
XG
Shifter
SRAM GX Eagle 11s
Cable length
2200mm
Cable pull ratio
X-actuation
Color
Black
Compatible derailleur hub
RD: 11s
Matchmaker compatible
Yes
Model
SL-GX-1PA-A1
Name
GX-e 11-speed Trigger Shifter
Shifter type
Trigger
Speeds
11
Rear derailleur
SRAM GX Eagle 12s
Cable pull ratio
X-actuation
Cage
Long
Cage material
Aluminum
Color
Lunar
Max tooth
52
Model
RD-GX-1-B2
Name
GX Eagle Rear Derailleur
Pulley bearings material
Steel
Speed
12s
Frameset
Rear suspension
RockShox Deluxe RT
Body eyelet
Bearing, No Bushing, Standard
Compression tune
L, L1, LC, M
Eye to eye stroke
145x35(TR), 165x37.5(TR), 165x40(TR), 165x42.5(TR), 165x45(TR), 170x35, 185x47.5(TR), 185x50(TR), 185x52.5(TR), 185x55(TR), 190x37.5, 190x40, 190x42.5, 190x45, 205x57.5(TR), 205x60(TR), 205x62.5(TR), 205x65(TR), 210x47.5, 210x50, 210x52.5, 210x55, 230x57.5, 230x60, 230x62.5, 230x65
Lockout force
320
Model
RS-DLX-RT-B1
Name
Deluxe RT
Rebound tune
H, L, M
Shaft eyelet
Bearing, No Bushing, Standard, Trunnion
Front suspension
RockShox Pike RC Solo Air 1835 g
Color
Gloss Black
fork offset
51mm
Maximum rotor size
203mm
Minimum rotor size
160mm
Model
FS-PIKE-RC-A2
Name
Pike RC
Spring
Solo Air
Travel (mm)
150mm
Upper tube type
35mm tapered wall aluminum
Weight based on
26", Solo Air, 265mm tapered aluminum steerer, 15X100mm Maxle Ultimate
Weight
1835
Wheel size
29" B/27.5"+
Wheels
Rims
Roval Traverse Carbon
Tires
Specialized Butcher Grid

Geometry

Size S M L XL
a
Seat tube length
380,0
410,0
455,0
505,0
b
Seat tube angle
75,8º
75,5º
75,1º
74,7º
c
Top tube length
569,0
592,0
624,0
657,0
d
Head tube length
95,0
95,0
125,0
140,0
e
Head tube angle
67,5º
67,5º
67,5º
67,5º
f
Rake
-
-
-
-
g
Trail
-
-
-
-
h
Wheelbase
1141,0
1161,0
1192,0
1223,0
i
Chainstay length
437,0
437,0
437,0
437,0
j
Bottom bracket drop
41,0
41,0
41,0
41,0
k
Stack height
607,0
607,0
635,0
649,0
l
Reach
415,0
435,0
455,0
480,0
m
Standover height
740,0
743,0
755,0
768,0
x
Bottom bracket height
-
-
-
-
y
Front center
-
-
-
-
Biking

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