2021 Chromag Bikes Rootdown Base 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
648mm
Reach
487mm
Stack to Reach Ratio
1.33:1
Seat Tube Length, C-T
456mm
Top Tube Length, Effective/Horizontal HT Top
648mm
Top Tube Slope
19deg
Head Tube Angle
64deg
Seat Tube Angle
76deg
Head Tube Length
115mm
Bottom Bracket Drop
50.8mm
Bottom Bracket Height
323.7mm
Chainstay Length
420mm
Chainstay Length Horizontal
416.9mm
Front-Center
835.6mm
Front-Center Horizontal
834.1mm
Wheelbase
1251mm
Fork Offset/Rake
50.2mm
Trail
126.9mm
very high
Mechanical Trail
114mm
Wheel Flop
50mm
Standover Height
762mm
Tire to Pedal Spindle Distance
With 170 mm cranks
291.1mm
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
2000mm
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 11 in
to
6 ft 3 in
Source:https://us.chromagbikes.com/products/rootdown-21