2021 Jamis Bicycles Hijack Base 17

Build

650B/27.5 in × 2.25 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
617mm
Reach
433mm
Stack to Reach Ratio
1.42:1
Seat Tube Length, Unknown
431.8mm
Top Tube Length, Effective/Horizontal Unknown
610mm
Top Tube Slope
20.1deg
Head Tube Angle
67.5deg
Seat Tube Angle
74deg
Head Tube Length
129.4mm
Bottom Bracket Drop
44mm
Bottom Bracket Height
305.2mm
Chainstay Length
425mm
Chainstay Length Horizontal
422.7mm
Front-Center
716.6mm
Front-Center Horizontal
715.3mm
Wheelbase
1138mm
Fork Offset/Rake
42mm
Fork Length, Unknown
490mm
Trail
99.2mm
very high
Mechanical Trail
91.6mm
Wheel Flop
35.1mm
Standover Height
784mm
Tire to Pedal Spindle Distance
With 170 mm cranks
197.5mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
135.2mm

Base Build

Wheel Size
650B, 27.5 inch (584mm BSD)
Tire Width
2.25in
Tire Outer Diameter
698.3mm
Bike Length with Tires
1836.3mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
120mm
Suspension Sag
20%
Frame Material
Aluminum
Fork Material
Aluminum
Brake Type
Disc

Published Sizing Recommendations

Height
160 cm
to
175 cm
Source:https://www.jamisbikes.com/new_pdf/19_hijacka1.pdf