2026 Forbidden Bike Co. Puritan Base S3

Build

700C/29 in × 50 mm

Insights

Average stack and reach vs trend of progressive gravel bikes
Design deviates from other sizes of Forbidden Bike Co. Puritan
Bar type unusual for category
This: Flat Bar
Category: Drop Bar
vs progressive gravel bikes

Stack and Reach vs. Category Trend
View all sizes

Geometry

Stack
621mm
Reach
432mm
Stack to Reach Ratio
1.44:1
Seat Tube Length, C-T
520mm
Top Tube Length, Effective/Horizontal HT Top
618mm
Head Tube Angle
67.75deg
Effective Seat Tube Angle, Unknown
73.3deg
Head Tube Length
140mm
Bottom Bracket Drop
71mm
Bottom Bracket Height
290mm
Chainstay Length
438mm
Chainstay Length Horizontal
432.2mm
Front-Center
705mm
Front-Center Horizontal
710.8mm
Wheelbase
1143mm
Fork Offset/Rake
45mm
Fork Length (Axle-To-Crown)
460mm
Trail
99.1mm
very high
Mechanical Trail
91.7mm
Wheel Flop
34.7mm
Standover Height
769mm
Tire to Pedal Spindle Distance
With 170 mm cranks
174mm
Pedal Spindle to Ground Clearance
With 170 mm cranks
120mm

Base Build

Wheel Size
700C, 29 inch (622mm BSD)
Tire Width
50mm
Tire Outer Diameter
722mm
Bike Length with Tires
1865mm
Suspension Type
Rigid, suspension corrected
Bar Type
Flat Bar
Frame Material
Titanium
Fork Material
Unknown
Brake Type
Unknown
Source:https://forbiddenbike.com/bikes/puritan/