2025 Rivendell Bicycle Works Atlantis Base 55

Build

700C/29 in × 55 mm

Insights

Design deviates from other sizes of Rivendell Bicycle Works Atlantis
Bar type unusual for category
This: Swept Back Bar
Category: Drop Bar
vs off-road touring bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
618mm
Reach
40.8mm
Stack to Reach Ratio
15.15:1
Seat Tube Length, C-T
55mm
Top Tube Length, Effective/Horizontal Center
61mm
Top Tube Length, Actual C-C
59.3mm
Top Tube Slope
6deg
Head Tube Angle
70deg
Seat Tube Angle
72deg
Bottom Bracket Drop
80mm
Bottom Bracket Height
286mm
Chainstay Length
535mm
Chainstay Length Horizontal
529mm
Trail
—
—
Tire to Pedal Spindle Distance
With 170 mm cranks
—
Pedal Spindle to Ground Clearance
With 170 mm cranks
116mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
55mm
Tire Outer Diameter
732mm
Suspension Type
Rigid, non-suspension corrected
Bar Type
Swept Back Bar
Frame Material
Steel
Fork Material
Steel
Brake Type
Rim

Published Sizing Recommendations

PBH
85.5 cm
to
89.5 cm