2019 Sour Bicycles Bad Granny Base

Design
Flat Bar, Rigid, suspension corrected
Frame
Steel
Fork
Steel
Features
Disc brake
Somewhat aggressive stack and reachvs category
Very aggressive stack and reachvs category

Geometry

M
L
Stack
582mm
592mm
Reach
429mm
453mm
Stack to Reach Ratio
1.36:1
1.31:1
Seat Tube Length, Unknown
420mm
470mm
Top Tube Length, Effective/Horizontal HT Top
596mm
623mm
Top Tube Slope
18.1deg
13.5deg
Head Tube Angle
68deg
68deg
Seat Tube Angle
74deg
74deg
Head Tube Length
105mm
115mm
Bottom Bracket Drop
60mm
60mm
Bottom Bracket Height
308.2mm
308.2mm
Chainstay Length
442mm
442mm
Chainstay Length Horizontal
437.9mm
437.9mm
Front-Center
695.7mm
724.6mm
Front-Center Horizontal
693.1mm
722.1mm
Wheelbase
1131mm
1160mm
Fork Offset/Rake
50mm
50mm
Fork Length, Unknown
470mm
470mm
Trail
94.8mm
very high
94.8mm
very high
Mechanical Trail
87.9mm
87.9mm
Wheel Flop
32.9mm
32.9mm
Tire to Pedal Spindle
157.5mm
170 mm cranks
186.4mm
170 mm cranks
Pedal Spindle to Ground Clearance
138.2mm
170 mm cranks
138.2mm
170 mm cranks

Base Build

M
L
Wheel Size
700C/29 in
622 mm BSD
700C/29 in
622 mm BSD
Tire Width
2.25in
2.25in
Tire Width Max
2.25in
2.25in
Tire Outer Diameter
736.3mm
736.3mm
Bike Length with Tires
1867.3mm
1896.3mm

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://sour.bike/shop/rahmen/269/bad-granny?c=122