1991 Mongoose Bicycles IBOC comp 20in
Build
26 in × 1.95 in
Insights
Stack and Reach vs. Category Trend
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Geometry
| Head Tube Angle | 70deg |
| Seat Tube Angle | 72deg |
| Bottom Bracket Drop | 35mm |
| Bottom Bracket Height | 294mm |
| Chainstay Length | 430mm |
| Chainstay Length Horizontal | 428.6mm |
| Fork Offset/Rake | 45mm |
| Trail | 71.9mm high |
| Mechanical Trail | 67.5mm |
| Wheel Flop | 23.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | — |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 124mm |
comp Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 1.95in |
| Tire Outer Diameter | 658.1mm |
| Handlebar Width | 23in |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Steel |
| Fork Material | Steel |
| Brake Type | Rim |
Source:https://web.archive.org/web/20230704200545/https://www.retrobike.co.uk/threads/mongoose-1991-brochure.442231/