1999 Schwinn Bicycle Company Homegrown Homegrown Pro 13"
Build
26 in × 1.95 in
Insights
Somewhat aggressive stack and reach vs trend of hardtail cross-country mtb bikes
Design deviates from other sizes of Schwinn Bicycle Company Homegrown
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
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Geometry
| Stack | 542.1mm |
| Reach | 366.1mm |
| Stack to Reach Ratio | 1.48:1 |
| Seat Tube Length, C-T | 330.2mm |
| Top Tube Length, Effective/Horizontal HT Top | 523.2mm |
| Head Tube Angle | 70.5deg |
| Seat Tube Angle | 74deg |
| Head Tube Length | 80mm |
| Bottom Bracket Drop | 39.5mm |
| Bottom Bracket Height | 289.6mm |
| Chainstay Length | 424.2mm |
| Chainstay Length Horizontal | 422.3mm |
| Front-Center | 589.9mm |
| Front-Center Horizontal | 588.6mm |
| Wheelbase | 1010.9mm |
| Fork Offset/Rake | 41.9mm |
| Fork Length (Axle-To-Crown) | 450mm |
| Trail | 72.1mm high |
| Mechanical Trail | 67.9mm |
| Wheel Flop | 22.7mm |
| Standover Height | 647.7mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 90.9mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 119.6mm |
Homegrown Pro Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 1.95in |
| Tire Outer Diameter | 658.1mm |
| Bike Length with Tires | 1669mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 80mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Rim |
Source:https://bonustomato.com/wp-content/uploads/2023/11/1999_hg_geo.jpg