2021 Riverside 900 Base

Category
Touring
Design
Flat Bar, Rigid, non-suspension corrected
Frame
Aluminum
Fork
Aluminum
Features
Disc brake
Very aggressive stack and reachvs category
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category
Very aggressive stack and reachvs category
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category
Very aggressive stack and reachvs category
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category
Very aggressive stack and reachvs category
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs category

Geometry

S
M
L
XL
Stack
574mm
602mm
623mm
642mm
Reach
410mm
411mm
414mm
423mm
Stack to Reach Ratio
1.4:1
1.46:1
1.5:1
1.52:1
Seat Tube Length, Unknown
410mm
475mm
500mm
520mm
Top Tube Length, Effective/Horizontal Unknown
585mm
595mm
605mm
620mm
Top Tube Slope
19deg
15deg
14.5deg
14.1deg
Head Tube Angle
71.5deg
71.5deg
72deg
72deg
Seat Tube Angle
73deg
73deg
73deg
73deg
Head Tube Length
120mm
150mm
170mm
190mm
Bottom Bracket Drop
54mm
54mm
54mm
54mm
Bottom Bracket Height
304mm
304mm
304mm
304mm
Chainstay Length
458mm
458mm
458mm
458mm
Chainstay Length Horizontal
454.8mm
454.8mm
454.8mm
454.8mm
Front-Center
633.5mm
643.5mm
648.5mm
664.4mm
Front-Center Horizontal
631.2mm
641.2mm
646.2mm
662.2mm
Wheelbase
1086mm
1096mm
1101mm
1117mm
Fork Offset/Rake
45mm
45mm
45mm
45mm
Trail
72.3mm
high
72.3mm
high
69mm
high
69mm
high
Mechanical Trail
68.6mm
68.6mm
65.6mm
65.6mm
Wheel Flop
21.8mm
21.8mm
20.3mm
20.3mm
Tire to Pedal Spindle
105.5mm
170 mm cranks
115.5mm
170 mm cranks
120.5mm
170 mm cranks
136.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
134mm
170 mm cranks
134mm
170 mm cranks
134mm
170 mm cranks
134mm
170 mm cranks

Base Build

S
M
L
XL
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
47mm
47mm
47mm
47mm
Tire Width Max
50mm
50mm
50mm
50mm
Tire Outer Diameter
716mm
716mm
716mm
716mm
Bike Length with Tires
1802mm
1812mm
1817mm
1833mm
Handlebar Width
620mm
620mm
660mm
660mm
Stem Length
60mm
80mm
100mm
110mm

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
Category Trend
Touring
Source:Decathlon Bikes