2006 Specialized Bicycles Rockhopper Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
100mm fork travel
Features
Disc brake
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

13
15
17
19
21
23
Seat Tube Length, C-T
330mm
381mm
432mm
483mm
533mm
585mm
Seat Tube Length, C-C
248mm
299mm
350mm
401mm
452mm
503mm
Top Tube Length, Effective/Horizontal Unknown
545mm
565mm
590mm
615mm
640mm
660mm
Top Tube Length, Actual C-C
546mm
551mm
568mm
590mm
515mm
638mm
Head Tube Angle
70deg
70deg
70deg
70deg
70deg
70deg
Seat Tube Angle
73deg
73deg
73deg
73deg
73deg
73deg
Head Tube Length
100mm
100mm
110mm
120mm
140mm
160mm
Bottom Bracket Drop
36mm
36mm
36mm
36mm
36mm
36mm
Bottom Bracket Height
301.9mm
301.9mm
301.9mm
301.9mm
301.9mm
301.9mm
Chainstay Length
426mm
426mm
426mm
426mm
426mm
426mm
Chainstay Length Horizontal
424.5mm
424.5mm
424.5mm
424.5mm
424.5mm
424.5mm
Front-Center
6000mm
6110mm
6320mm
6530mm
6790mm
7050mm
Front-Center Horizontal
600.5mm
609.5mm
631.5mm
651.5mm
677.5mm
703.5mm
Wheelbase
1025mm
1034mm
1056mm
1076mm
1102mm
1128mm
Fork Offset/Rake
38mm
38mm
38mm
38mm
38mm
38mm
Trail
82.6mm
very high
82.6mm
very high
82.6mm
very high
82.6mm
very high
82.6mm
very high
82.6mm
very high
Mechanical Trail
77.6mm
77.6mm
77.6mm
77.6mm
77.6mm
77.6mm
Wheel Flop
26.5mm
26.5mm
26.5mm
26.5mm
26.5mm
26.5mm
Standover Height
688mm
716mm
752mm
784mm
817mm
865mm
Tire to Pedal Spindle
5492.1mm
170 mm cranks
5602.1mm
170 mm cranks
5812.1mm
170 mm cranks
6022.1mm
170 mm cranks
6282.1mm
170 mm cranks
6542.1mm
170 mm cranks
Pedal Spindle to Ground Clearance
131.9mm
170 mm cranks
131.9mm
170 mm cranks
131.9mm
170 mm cranks
131.9mm
170 mm cranks
131.9mm
170 mm cranks
131.9mm
170 mm cranks

Base Build

13
15
17
19
21
23
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
2.3in
2.3in
2.3in
2.3in
2.3in
2.3in
Tire Outer Diameter
675.8mm
675.8mm
675.8mm
675.8mm
675.8mm
675.8mm
Bike Length with Tires
1700.8mm
1709.8mm
1731.8mm
1751.8mm
1777.8mm
1803.8mm
Source:https://www.specialized.com/gb/en/rockhopper-disc/p/20711?size=One+Size&color=22175-20711