1991 Trek Bikes 930 Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
18 | 20 | 22in | 15 | 16.5 | |
Stack | 443.6mm | 492.2mm | 539.4mm | — | — |
Reach | 427mm | 422.3mm | 413.2mm | — | — |
Stack to Reach Ratio | 1.04:1 | 1.17:1 | 1.31:1 | — | — |
Seat Tube Length, C-C | 429.3mm | 480.1mm | 530.9mm | 350.5mm | 340.4mm |
Top Tube Length, Effective/Horizontal Center | 563.9mm | 574mm | 584.2mm | 515.6mm | 541mm |
Top Tube Length, Actual C-C | 563.9mm | 574mm | 584.2mm | — | — |
Top Tube Slope | 0deg | 0deg | 0deg | — | — |
Head Tube Angle | 71deg | 71deg | 71deg | 70.5deg | 70.5deg |
Seat Tube Angle | 73deg | 73deg | 72.5deg | 74deg | 73.5deg |
Bottom Bracket Drop | 35.7mm | 35.7mm | 33.1mm | 40.7mm | 38.2mm |
Bottom Bracket Height | 294.6mm | 294.6mm | 297.2mm | 289.6mm | 292.1mm |
Chainstay Length | 429.3mm | 429.3mm | 429.3mm | 429.3mm | 429.3mm |
Chainstay Length Horizontal | 427.8mm | 427.8mm | 428mm | 427.3mm | 427.6mm |
Front-Center | 635mm | 635mm | 637.1mm | 602.8mm | 620.1mm |
Front-Center Horizontal | 633.9mm | 633.9mm | 636.3mm | 601.4mm | 618.9mm |
Wheelbase | 1061.7mm | 1061.7mm | 1064.3mm | 1028.7mm | 1046.5mm |
Fork Offset/Rake | 45.7mm | 45.7mm | 45.7mm | 45.7mm | 45.7mm |
Trail | 65.4mm high | 65.4mm high | 65.4mm high | 68.5mm high | 68.5mm high |
Mechanical Trail | 61.8mm | 61.8mm | 61.8mm | 64.5mm | 64.5mm |
Wheel Flop | 20.1mm | 20.1mm | 20.1mm | 21.5mm | 21.5mm |
Tire to Pedal Spindle | 134.7mm 170 mm cranks | 134.7mm 170 mm cranks | 136.8mm 170 mm cranks | 102.5mm 170 mm cranks | 119.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 124.6mm 170 mm cranks | 124.6mm 170 mm cranks | 127.2mm 170 mm cranks | 119.6mm 170 mm cranks | 122.1mm 170 mm cranks |
Base Build
18 | 20 | 22in | 15 | 16.5 | |
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 | 2in | 2in | 2in | 2in | 2in |
Tire Outer Diameter | 660.6mm | 660.6mm | 660.6mm | 660.6mm | 660.6mm |
Bike Length with Tires | 1722.3mm | 1722.3mm | 1724.9mm | 1689.3mm | 1707.1mm |
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://bikerebuilds.com/catalogs/trek/1991-trek-catalog.pdf