2021 Specialized Bicycles Rockhopper Comp

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
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

S
L
M
XL
Stack
626.6mm
626mm
631.1mm
649.1mm
Reach
433mm
445mm
459.9mm
507.2mm
Stack to Reach Ratio
1.45:1
1.41:1
1.37:1
1.28:1
Seat Tube Length, C-T
400mm
450mm
420mm
465mm
Top Tube Length, Effective/Horizontal HT Top
591mm
630mm
619mm
670mm
Top Tube Slope
18.8deg
Head Tube Angle
64.3deg
68.5deg
64.3deg
64.3deg
Seat Tube Angle
76deg
73.5deg
76deg
76deg
Head Tube Length
95mm
105mm
100mm
120mm
Bottom Bracket Drop
21mm
62mm
21mm
21mm
Bottom Bracket Height
348.4mm
307.4mm
348.4mm
348.4mm
Chainstay Length
442mm
440mm
442mm
442mm
Chainstay Length Horizontal
441.5mm
435.6mm
441.5mm
441.5mm
Front-Center
775.8mm
719mm
804.8mm
860.8mm
Front-Center Horizontal
775.5mm
716.4mm
804.5mm
860.5mm
Wheelbase
1217mm
1152mm
1246mm
1302mm
Fork Offset/Rake
46mm
46mm
46mm
46mm
Fork Length (Axle-To-Crown)
581mm
515mm
581mm
581mm
Trail
126.7mm
very high
96.1mm
very high
126.7mm
very high
126.7mm
very high
Mechanical Trail
114.2mm
89.4mm
114.2mm
114.2mm
Wheel Flop
49.5mm
32.8mm
49.5mm
49.5mm
Tire to Pedal Spindle
236.4mm
170 mm cranks
179.6mm
170 mm cranks
265.4mm
170 mm cranks
321.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
178.4mm
170 mm cranks
137.4mm
170 mm cranks
178.4mm
170 mm cranks
178.4mm
170 mm cranks

Comp Build

S
L
M
XL
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
1890.8mm
1984.8mm
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/rockhopper-comp-29/p/184113?color=291602-184113&searchText=91520-5702