Specialized Rockhopper 29 2017
Groupset
Shimano Acera
Frame material
Alloy
Wheel size
29"
Suspension type
Hardtail
Front travel
100mm
About the Specialized Rockhopper 29 2017
The Specialized Rockhopper 29 2017 is a Hardtail Cross Country Mountain Bike with a alloy frame. Equipped with a Shimano Acera drivetrain of 24 gears (3x8).
Specifications
|
Grip
|
Specialized MTB lock-on
|
|---|---|
|
Pedals
|
Specialized Dirt
|
|
Steam
|
Stout, 3D-forged alloy, 31.8mm clamp, 6-degree rise
|
|---|---|
|
Saddle
|
Body Geometry Henge Sport, steel rails, 143mm
|
|
Seatpost
|
Alloy, 12mm offset, 2-bolt clamp, 30.9mm
|
|
Handlebar
|
Stout, alloy, 8-degree backsweep, 6-degree upsweep, 10mm rise, 720mm width, 31.8mm
|
|
Brakes
|
Shimano Altus BR-M375
Mechanical disc brake
1 piston
|
|
(1.5-2.5 finger) SM-RT30, SM-RT26 |
|
|
Crankset
|
Forged alloy, square taper spindle w/chainguard, 44/32/22T
|
|---|---|
|
Shifter
|
Shimano EF510, EZ Fire Plus, 8-speed
|
|
Bottom bracket
|
Square taper, 73mm, internal bearings
|
|
Front derailleur
|
Shimano Altus, 34.9mm clamp, down-swing, 7/8-speed
|
|
Chain
|
KMC X8
|
|
Cassette
|
Sunrace M66 11-34T 8-speed
|
|
Rear derailleur
|
Shimano Acera RD-M360
SGS
8/7s
|
|
|
|
|
Frame
|
Specialized A1 Premium Aluminum, Trail 29 Geometry ORE down tube, butted tube sets, externally relieved head tube, forged dropouts, reinforced disc mount, replaceable alloy derailleur hanger
|
|---|---|
|
Front suspension
|
SR Suntour XCT
|
|
Rims
|
Stout 29, alloy disc, double-wall, pinned joint, 20mm inner width, 32h
|
|---|---|
|
Tires
|
Ground Control Sport, 29x2.1"", 60TPI, wire bead, Flak Jacket protection
|
|
Spokes
|
Stainless, 14g
|
|
Rear hub
|
Shimano Center Lock, disc, 10x135mm QR, 32h
|
|
Front hub
|
Shimano Center Lock, disc, 9x100mm QR, 32h
|
Geometry
| Size | SM | MD | LG | XL | XXL |
|---|---|---|---|---|---|
|
a
Seat tube length
|
394,0
|
444,0
|
483,0
|
530,0
|
560,0
|
|
b
Seat tube angle
|
74,25º
|
73,0º
|
73,0º
|
73,0º
|
73,0º
|
|
c
Top tube length
|
553,0
|
576,0
|
596,0
|
622,0
|
642,0
|
|
d
Head tube length
|
105,0
|
95,0
|
110,0
|
120,0
|
140,0
|
|
e
Head tube angle
|
70,5º
|
71,0º
|
71,0º
|
71,0º
|
71,0º
|
|
f
Rake
|
46,0
|
46,0
|
46,0
|
46,0
|
46,0
|
|
g
Trail
|
83,0
|
80,0
|
80,0
|
80,0
|
80,0
|
|
h
Wheelbase
|
1067,0
|
1070,0
|
1091,0
|
1117,0
|
1138,0
|
|
i
Chainstay length
|
444,0
|
444,0
|
444,0
|
444,0
|
444,0
|
|
j
Bottom bracket drop
|
69,0
|
69,0
|
69,0
|
69,0
|
69,0
|
|
k
Stack height
|
617,0
|
628,0
|
642,0
|
652,0
|
671,0
|
|
l
Reach
|
377,0
|
382,0
|
398,0
|
421,0
|
435,0
|
|
m
Standover height
|
743,6
|
791,2
|
821,4
|
859,8
|
888,6
|
|
x
Bottom bracket height
|
305,0
|
305,0
|
305,0
|
305,0
|
305,0
|
|
y
Front center
|
632,0
|
635,0
|
656,0
|
682,0
|
702,0
|
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