2021 Chromag Bikes Rootdown Base M/L

Build

700C/29 in × 2.5 in

Insights

Average stack and reach vs trend of hardtail all-mountain/enduro mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
639mm
Reach
463mm
Stack to Reach Ratio
1.38:1
Seat Tube Length, C-T
431mm
Top Tube Length, Effective/Horizontal HT Top
622mm
Top Tube Slope
21.3deg
Head Tube Angle
64deg
Seat Tube Angle
76deg
Head Tube Length
105mm
Bottom Bracket Drop
50.8mm
Bottom Bracket Height
323.7mm
Chainstay Length
420mm
Chainstay Length Horizontal
416.9mm
Front-Center
807.7mm
Front-Center Horizontal
806.1mm
Wheelbase
1223mm
Fork Offset/Rake
50.5mm
Trail
126.5mm
very high
Mechanical Trail
113.7mm
Wheel Flop
49.8mm
Standover Height
738mm
Tire to Pedal Spindle Distance
With 170 mm cranks
263.2mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
153.7mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
2.5in
Tire Outer Diameter
749mm
Bike Length with Tires
1972mm
Crank Length
170mm
Suspension Type
Hardtail (Front suspension)
Bar Type
Flat Bar
Fork Travel
160mm
Suspension Sag
Unknown
Frame Material
Steel
Fork Material
Unknown
Brake Type
Disc

Published Sizing Recommendations

Height
5 ft 7 in
to
6 ft 0 in
Source:https://us.chromagbikes.com/products/rootdown-21