2019 Author Radius 29 Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
100mm 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

Geometry

17"
19"
21"
Stack
628mm
642mm
652mm
Reach
408mm
424mm
441mm
Stack to Reach Ratio
1.54:1
1.51:1
1.48:1
Seat Tube Length, C-T
432mm
483mm
535mm
Seat Tube Length, Effective Unknown
600mm
620mm
640mm
Top Tube Length, Actual C-C
580mm
596mm
614mm
Top Tube Slope
21.9deg
17.7deg
13.2deg
Head Tube Angle
69deg
69deg
69deg
Seat Tube Angle
73deg
73deg
73deg
Head Tube Length
115mm
130mm
140mm
Bottom Bracket Drop
63mm
63mm
63mm
Bottom Bracket Height
301.3mm
301.3mm
301.3mm
Chainstay Length
445mm
445mm
445mm
Chainstay Length Horizontal
440.5mm
440.5mm
440.5mm
Front-Center
682.4mm
703.3mm
724.2mm
Front-Center Horizontal
679.5mm
700.5mm
721.5mm
Wheelbase
1120mm
1141mm
1162mm
Fork Offset/Rake
51mm
51mm
51mm
Fork Length (Axle-To-Crown)
510mm
510mm
510mm
Trail
85.2mm
very high
85.2mm
very high
85.2mm
very high
Mechanical Trail
79.6mm
79.6mm
79.6mm
Wheel Flop
28.5mm
28.5mm
28.5mm
Tire to Pedal Spindle
148.1mm
170 mm cranks
164mm
175 mm cranks
184.9mm
175 mm cranks
Pedal Spindle to Ground Clearance
131.3mm
170 mm cranks
126.3mm
175 mm cranks
126.3mm
175 mm cranks

Base Build

17"
19"
21"
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.1in
2.1in
2.1in
Tire Outer Diameter
728.7mm
728.7mm
728.7mm
Bike Length with Tires
1848.7mm
1869.7mm
1890.7mm
Crank Length
170mm
175mm
175mm
Handlebar Width
700mm
700mm
700mm

Published Sizing Recommendations

Height
168 cm
to
179 cm
178 cm
to
189 cm
188 cm
to
202 cm

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:http://en.author.eu/cross-country/mtb-29/author-radius-29-2019-ua42906902-6404#!geometrie-modelu