2024 Sour Bicycles Bad Granny Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Disc brake, Single-speed capable
Geometry
S/M | M/L | L/XL | |
Stack | 590mm | 599mm | 608mm |
Reach | 415mm | 438mm | 469mm |
Stack to Reach Ratio | 1.42:1 | 1.37:1 | 1.3:1 |
Seat Tube Length, C-T | 400mm | 450mm | 500mm |
Top Tube Length, Effective/Horizontal HT Top | 584mm | 610mm | 645mm |
Top Tube Slope | 21.4deg | 16.5deg | 11.9deg |
Head Tube Angle | 68deg | 68deg | 68deg |
Seat Tube Angle | 74deg | 74deg | 74deg |
Head Tube Length | 100mm | 110mm | 120mm |
Bottom Bracket Drop | 60mm | 60mm | 60mm |
Bottom Bracket Height | 312mm | 312mm | 312mm |
Chainstay Length | 438mm | 438mm | 438mm |
Chainstay Length Horizontal | 433.9mm | 433.9mm | 433.9mm |
Front-Center | 688.8mm | 716.7mm | 751.5mm |
Front-Center Horizontal | 686.1mm | 714.1mm | 749.1mm |
Wheelbase | 1120mm | 1148mm | 1183mm |
Fork Offset/Rake | 50mm | 50mm | 50mm |
Fork Length (On-Axis) | 483mm | 483mm | 483mm |
Trail | 96.4mm very high | 96.4mm very high | 96.4mm very high |
Mechanical Trail | 89.3mm | 89.3mm | 89.3mm |
Wheel Flop | 33.5mm | 33.5mm | 33.5mm |
Tire to Pedal Spindle | 146.8mm 170 mm cranks | 174.7mm 170 mm cranks | 209.6mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 142mm 170 mm cranks | 142mm 170 mm cranks | 142mm 170 mm cranks |
Base Build
S/M | M/L | L/XL | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 2.4in | 2.4in | 2.4in |
Tire Outer Diameter | 743.9mm | 743.9mm | 743.9mm |
Bike Length with Tires | 1863.9mm | 1891.9mm | 1926.9mm |
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 ScaleCategory Trend
Rigid MTBSource:https://sour.bike/bikes/mtb/bad-granny/