1999 Schwinn Bicycle Company Homegrown Homegrown Pro

Design
Flat Bar, Hardtail (Front suspension)
Frame
Aluminum
Suspension
80mm fork travel
Features
Rim brake
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Very aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Somewhat aggressive stack and reachvs category
Suspension sag unknown
Geometry may mis-represent actual riding geometry

Geometry

13"
15"
17"
19"
21"
Stack
542.1mm
545.9mm
547.8mm
566.7mm
595.2mm
Reach
366.1mm
387.7mm
399.1mm
415.6mm
428.9mm
Stack to Reach Ratio
1.48:1
1.41:1
1.37:1
1.36:1
1.39:1
Seat Tube Length, C-T
330.2mm
381mm
431.8mm
482.6mm
533.4mm
Top Tube Length, Effective/Horizontal HT Top
523.2mm
546.1mm
569mm
586.7mm
609.6mm
Head Tube Angle
70.5deg
71.5deg
71.5deg
71.5deg
71.5deg
Seat Tube Angle
74deg
74deg
73deg
73deg
73deg
Head Tube Length
80mm
80mm
90mm
110mm
140mm
Bottom Bracket Drop
39.5mm
39.5mm
31.9mm
31.9mm
31.9mm
Bottom Bracket Height
289.6mm
289.6mm
297.2mm
297.2mm
297.2mm
Chainstay Length
424.2mm
424.2mm
424.2mm
424.2mm
424.2mm
Chainstay Length Horizontal
422.3mm
422.3mm
423mm
423mm
423mm
Front-Center
589.9mm
602.6mm
616.7mm
639.5mm
662.4mm
Front-Center Horizontal
588.6mm
601.3mm
615.9mm
638.7mm
661.6mm
Wheelbase
1010.9mm
1023.6mm
1038.9mm
1061.7mm
1084.6mm
Fork Offset/Rake
41.9mm
41.9mm
41.9mm
41.9mm
41.9mm
Fork Length (Axle-To-Crown)
450mm
450mm
450mm
450mm
450mm
Trail
72.1mm
high
65.9mm
high
65.9mm
high
65.9mm
high
65.9mm
high
Mechanical Trail
67.9mm
62.5mm
62.5mm
62.5mm
62.5mm
Wheel Flop
22.7mm
19.8mm
19.8mm
19.8mm
19.8mm
Standover Height
647.7mm
703.6mm
729mm
759.5mm
797.6mm
Tire to Pedal Spindle
90.9mm
170 mm cranks
103.5mm
170 mm cranks
117.7mm
170 mm cranks
140.5mm
170 mm cranks
163.3mm
170 mm cranks
Pedal Spindle to Ground Clearance
119.6mm
170 mm cranks
119.6mm
170 mm cranks
127.2mm
170 mm cranks
127.2mm
170 mm cranks
127.2mm
170 mm cranks

Homegrown Pro Build

13"
15"
17"
19"
21"
Wheel Size
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
26 in
559 mm BSD
Tire Width
1.95in
1.95in
1.95in
1.95in
1.95in
Tire Outer Diameter
658.1mm
658.1mm
658.1mm
658.1mm
658.1mm
Bike Length with Tires
1669mm
1681.7mm
1696.9mm
1719.8mm
1742.6mm

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://bonustomato.com/wp-content/uploads/2023/11/1999_hg_geo.jpg