2023 Niner Bikes RKT 9 RDO 4 Star Shimano XT

Design
Flat Bar, Full suspension
Frame
Carbon/Composite
Suspension
100mm fork travel, 100mm rear travel, 25% sag
Features
Disc brake
Somewhat upright stack and reachvs category
Somewhat upright stack and reachvs category

Geometry

L
XL
Stack
626mm
640mm
Reach
465mm
497mm
Stack to Reach Ratio
1.35:1
1.29:1
Seat Tube Length, Unknown
446mm
497mm
Top Tube Length, Effective/Horizontal Unknown
626mm
661mm
Top Tube Slope
18.6deg
14.3deg
Head Tube Angle
68deg
68deg
Seat Tube Angle
75deg
75deg
Head Tube Length
125mm
140mm
Bottom Bracket Drop
33mm
33mm
Bottom Bracket Height
341.5mm
341.5mm
Chainstay Length
430mm
430mm
Chainstay Length Horizontal
428.7mm
428.7mm
Front-Center
739mm
768mm
Front-Center Horizontal
738.3mm
767.3mm
Wheelbase
1167mm
1196mm
Fork Offset/Rake
44mm
44mm
Trail
103.9mm
very high
103.9mm
very high
Mechanical Trail
96.3mm
96.3mm
Wheel Flop
36.1mm
36.1mm
Standover Height
727mm
778mm
Tire to Pedal Spindle
194.5mm
170 mm cranks
223.5mm
170 mm cranks
Pedal Spindle to Ground Clearance
171.5mm
170 mm cranks
171.5mm
170 mm cranks

4 Star Shimano XT Build

L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.5in
2.5in
Tire Outer Diameter
749mm
749mm
Bike Length with Tires
1916mm
1945mm

Published Sizing Recommendations

Height
5 ft 11 in
to
6 ft 3 in
6 ft 3 in
to
6 ft 7 in

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:https://www.ninerbikes.com/rkt-9-rdo/