2021 RSD Bikes RS-291 Base

Design
Flat Bar, Hardtail (Front suspension)
Frame
Steel
Fork
Steel
Suspension
160mm fork travel
Features
Disc brake
Average 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
Average 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

Small
Medium
Large
Extra Large
Stack
631mm
638mm
646mm
656mm
Reach
416mm
454mm
477mm
499mm
Stack to Reach Ratio
1.52:1
1.41:1
1.35:1
1.31:1
Seat Tube Length, C-T
390mm
410mm
440mm
470mm
Top Tube Length, Effective/Horizontal Center
575mm
609mm
628mm
651mm
Top Tube Length, Effective/Horizontal HT Top
585mm
625mm
650mm
675mm
Top Tube Slope
26.2deg
23.4deg
20.5deg
18deg
Head Tube Angle
63deg
63deg
63deg
63deg
Seat Tube Angle
75deg
75deg
75deg
75deg
Head Tube Length
90mm
100mm
110mm
120mm
Bottom Bracket Drop
54.5mm
54.5mm
54.5mm
54.5mm
Bottom Bracket Height
320mm
320mm
320mm
320mm
Chainstay Length Horizontal
420mm
420mm
420mm
420mm
Front-Center
764.9mm
806.8mm
833.8mm
860.7mm
Front-Center Horizontal
763mm
805mm
832mm
859mm
Wheelbase
1183mm
1225mm
1252mm
1279mm
Fork Offset/Rake
51mm
51mm
51mm
51mm
Fork Length (Axle-To-Crown)
571mm
571mm
571mm
571mm
Trail
133.6mm
very high
133.6mm
very high
133.6mm
very high
133.6mm
very high
Mechanical Trail
119mm
119mm
119mm
119mm
Wheel Flop
54mm
54mm
54mm
54mm
Standover Height
674mm
680mm
686mm
696mm
Tire to Pedal Spindle
215.4mm
175 mm cranks
257.3mm
175 mm cranks
284.3mm
175 mm cranks
311.2mm
175 mm cranks
Pedal Spindle to Ground Clearance
145mm
175 mm cranks
145mm
175 mm cranks
145mm
175 mm cranks
145mm
175 mm cranks

Base Build

Small
Medium
Large
Extra Large
Wheel Size
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
700C/29"
622 mm BSD
Tire Width
2.5in
2.5in
2.5in
2.5in
Tire Outer Diameter
749mm
749mm
749mm
749mm
Bike Length with Tires
1932mm
1974mm
2001mm
2028mm
Crank Length
175mm
175mm
175mm
175mm
Handlebar Width
780mm
780mm
780mm
780mm
Stem Length
50mm
50mm
50mm
50mm

Published Sizing Recommendations

Height
155 cm
to
170 cm
170 cm
to
180 cm
178 cm
to
188 cm
185 cm
to
193 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:https://rsdbikes.com/rs291-chromoly/