2020 Specialized Bicycles Rockhopper Base S

Build

700C/29 in × 2.35 in

Insights

Average stack and reach vs trend of hardtail cross-country mtb bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
607mm
Reach
405mm
Stack to Reach Ratio
1.5:1
Seat Tube Length, C-T
360mm
Top Tube Length, Effective/Horizontal Center
586mm
Top Tube Slope
27.3deg
Head Tube Angle
68.5deg
Seat Tube Angle
73.5deg
Head Tube Length
95mm
Bottom Bracket Drop
62mm
Bottom Bracket Height
308.7mm
Chainstay Length
440mm
Chainstay Length Horizontal
435.6mm
Front-Center
672mm
Front-Center Horizontal
669.4mm
Wheelbase
1105mm
Fork Offset/Rake
46mm
Fork Length, Unknown
505mm
Trail
96.6mm
very high
Mechanical Trail
89.9mm
Wheel Flop
32.9mm
Standover Height
732mm
Tire to Pedal Spindle Distance
With 170 mm cranks
131.3mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
138.7mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.35in
Tire Outer Diameter
741.4mm
Bike Length with Tires
1846.4mm
Crank Length
170mm
Handlebar Width
720mm
Stem Length
45mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
100mm
Suspension Sag
Unknown
Frame Material
Aluminum
Fork Material
N/A
Brake Type
Disc
Source:https://www.specialized.com/us/en/rockhopper-sport/p/184114?color=291562-184114&searchText=91520-6602