2022 Rivendell Bicycle Works Platypus Base

Design
Swept Back Bar, Rigid, non-suspension corrected
Frame
Steel
Fork
Steel
Features
Rim brake, Step-through
Very aggressive stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category
Very aggressive stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category
Somewhat aggressive stack and reachvs category
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs category

Geometry

50cm
55cm
60cm
Stack
560mm
603mm
664mm
Reach
404mm
415mm
432mm
Stack to Reach Ratio
1.39:1
1.45:1
1.54:1
Top Tube Length, Effective/Horizontal Unknown
590mm
615mm
652mm
Head Tube Angle
69.5deg
69.5deg
69.5deg
Seat Tube Angle
72deg
72deg
72deg
Bottom Bracket Drop
67mm
80mm
80mm
Bottom Bracket Height
282mm
269mm
269mm
Chainstay Length
505mm
530mm
540mm
Chainstay Length Horizontal
500.5mm
523.9mm
534mm
Trail
Mechanical Trail
Wheel Flop
Pedal Spindle to Ground Clearance
112mm
170 mm cranks
99mm
170 mm cranks
99mm
170 mm cranks

Base Build

50cm
55cm
60cm
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
38mm
38mm
38mm
Tire Width Max
50mm
50mm
50mm
Tire Outer Diameter
698mm
698mm
698mm

Published Sizing Recommendations

PBH
74 cm
to
81 cm
82 cm
to
87 cm
87 cm
to
96 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
Category Trend
All-road/Gravel
Source:https://cdn.shopify.com/s/files/1/1403/7343/files/RBW_Bicycle_Geometry_Table_-_May_2023.pdf?v=1687890742