2017 Chromag Bikes Rootdown Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Steel
Suspension
160mm fork travel
Features
Disc brake
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat upright stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Average stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

S
M
M/L
L
XL
Stack
647mm
653mm
653mm
653mm
653mm
Reach
410mm
428mm
447mm
473mm
492mm
Stack to Reach Ratio
1.58:1
1.53:1
1.46:1
1.38:1
1.33:1
Seat Tube Length, C-T
394mm
431mm
470mm
495mm
533mm
Top Tube Length, Effective/Horizontal HT Top
578mm
603mm
622mm
648mm
667mm
Top Tube Slope
27.5deg
23.7deg
19.3deg
16.2deg
12.4deg
Head Tube Angle
65deg
65deg
65deg
65deg
65deg
Seat Tube Angle
75deg
75deg
75deg
75deg
75deg
Head Tube Length
105mm
105mm
105mm
105mm
105mm
Bottom Bracket Height
Chainstay Length
415mm
415mm
415mm
415mm
415mm
Chainstay Length Max
415mm
415mm
415mm
415mm
415mm
Wheelbase
1148mm
1175mm
1193mm
1219mm
1238mm
Trail
Mechanical Trail
Wheel Flop

Base Build

S
M
M/L
L
XL
Wheel Size
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
650B/27.5 in
584 mm BSD
Tire Width
3in
3in
3in
3in
3in
Tire Width Max
3in
3in
3in
3in
3in
Tire Outer Diameter
736.4mm
736.4mm
736.4mm
736.4mm
736.4mm
Bike Length with Tires
1884.4mm
1911.4mm
1929.4mm
1955.4mm
1974.4mm

Stack and Reach vs. Category Trend

Very Upright
Somewhat Upright
Average
Somewhat Aggressive
Very Aggressive

The Bike Insights Upright/Aggressive scale is based on analysis of a bike’s proportions relative to similar sized bikes in the same category.

Learn more about the Upright/Aggressive Scale
Source:Bike Counterculture Geometry Database