2020 Gunnar Cycles USA Rock Hound Base 17.5 (27.5")

Build

650B/27.5 in × 2.2 in

Insights

Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Gunnar Cycles USA Rock Hound
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
582mm
Reach
419mm
Stack to Reach Ratio
1.39:1
Seat Tube Length, C-T
408mm
Top Tube Length, Effective/Horizontal Center
600mm
Top Tube Length, Actual C-C
577.8mm
Top Tube Slope
21.8deg
Head Tube Angle
70deg
Seat Tube Angle
73.5deg
Head Tube Length
105mm
Bottom Bracket Drop
55mm
Bottom Bracket Height
292.9mm
Chainstay Length
450mm
Chainstay Length Horizontal
446.6mm
Front-Center
667mm
Front-Center Horizontal
665.4mm
Wheelbase
1112mm
Fork Offset/Rake
51mm
Fork Length (Axle-To-Crown)
466mm
Trail
72.3mm
high
Mechanical Trail
68mm
Wheel Flop
23.3mm
Standover Height
759mm
Tire to Pedal Spindle Distance
With 170 mm cranks
149.1mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
122.9mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.2in
Tire Outer Diameter
695.8mm
Bike Length with Tires
1807.8mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
Unknown
Suspension Sag
Unknown
Frame Material
Unknown
Fork Material
Unknown
Brake Type
Unknown
Source:http://gunnarbikes.com/site/bikes/rock-hound/