2020 Specialized Bicycles Rockhopper Expert

Design
Flat Bar, Full suspension
Frame
Carbon/Composite
Suspension
170mm fork travel
Features
Disc brake
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

S2
S3
S4
S5
Stack
626.6mm
631.1mm
640.1mm
649.1mm
Reach
433mm
459.9mm
483.5mm
507.2mm
Stack to Reach Ratio
1.45:1
1.37:1
1.32:1
1.28:1
Seat Tube Length, C-T
400mm
420mm
440mm
465mm
Top Tube Length, Effective/Horizontal HT Top
591mm
619mm
644mm
670mm
Head Tube Angle
64.3deg
64.3deg
64.3deg
64.3deg
Seat Tube Angle
76deg
76deg
76deg
76deg
Head Tube Length
95mm
100mm
110mm
120mm
Bottom Bracket Drop
21mm
21mm
21mm
21mm
Bottom Bracket Height
348.4mm
348.4mm
348.4mm
348.4mm
Chainstay Length
442mm
442mm
442mm
442mm
Chainstay Length Horizontal
441.5mm
441.5mm
441.5mm
441.5mm
Front-Center
775.8mm
804.8mm
832.8mm
860.8mm
Front-Center Horizontal
775.5mm
804.5mm
832.5mm
860.5mm
Wheelbase
1217mm
1246mm
1274mm
1302mm
Fork Offset/Rake
46mm
46mm
46mm
46mm
Fork Length (Axle-To-Crown)
581mm
581mm
581mm
581mm
Trail
126.7mm
very high
126.7mm
very high
126.7mm
very high
126.7mm
very high
Mechanical Trail
114.2mm
114.2mm
114.2mm
114.2mm
Wheel Flop
49.5mm
49.5mm
49.5mm
49.5mm
Tire to Pedal Spindle
236.4mm
170 mm cranks
265.4mm
170 mm cranks
293.3mm
170 mm cranks
321.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
178.4mm
170 mm cranks
178.4mm
170 mm cranks
178.4mm
170 mm cranks
178.4mm
170 mm cranks

Expert Build

S2
S3
S4
S5
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.3in
2.3in
2.3in
2.3in
Tire Outer Diameter
738.8mm
738.8mm
738.8mm
738.8mm
Bike Length with Tires
1955.8mm
1984.8mm
2012.8mm
2040.8mm
Crank Length
170mm
170mm
170mm
170mm
Handlebar Width
800mm
800mm
800mm
800mm
Stem Length
40mm
40mm
40mm
40mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Source:https://www.specialized.com/us/en/enduro-expert/p/171285?color=264067-171285