1985 Miyata All Terrain Series Ridge Runner
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
17.75" | 19.5" | 21" | 23" | |
Stack | 456.2mm | 498.2mm | 500mm | 581.9mm |
Reach | 372.9mm | 378.2mm | 400mm | 388.2mm |
Stack to Reach Ratio | 1.22:1 | 1.32:1 | 1.25:1 | 1.5:1 |
Seat Tube Length, C-C | 450.9mm | 495.3mm | 510mm | 584.2mm |
Top Tube Length, Effective/Horizontal Center | 540mm | 560mm | 580mm | 600mm |
Top Tube Length, Actual C-C | 540mm | 560mm | 580mm | 600mm |
Top Tube Slope | 0deg | 0deg | 0deg | 0deg |
Head Tube Angle | 68.3deg | 69.3deg | 70deg | 70deg |
Seat Tube Angle | 70deg | 70deg | 70deg | 70deg |
Head Tube Length | — | — | 148mm | — |
Bottom Bracket Drop | 32.5mm | 32.5mm | 27mm | 32.9mm |
Bottom Bracket Height | 301.1mm | 301.1mm | 303.3mm | 300.7mm |
Chainstay Length | 465mm | 465mm | 465mm | 465mm |
Chainstay Length Horizontal | 463.9mm | 463.9mm | 464.2mm | 463.8mm |
Front-Center | 614mm | 611mm | 631mm | 651mm |
Front-Center Horizontal | 613.1mm | 610.1mm | 629.8mm | 650.2mm |
Wheelbase | 1077mm | 1074mm | 1094mm | 1114mm |
Fork Offset/Rake | — | — | 54.2mm | — |
Trail | — — | — — | 62.6mm mid/neutral | — — |
Mechanical Trail | — | — | 58.8mm | — |
Wheel Flop | — | — | 20.1mm | — |
Standover Height | — | — | 795mm | — |
Tire to Pedal Spindle | 110.4mm 170 mm cranks | 107.4mm 170 mm cranks | 130.7mm 170 mm cranks | 147.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 131.1mm 170 mm cranks | 131.1mm 170 mm cranks | 133.3mm 170 mm cranks | 130.7mm 170 mm cranks |
Ridge Runner Build
17.75" | 19.5" | 21" | 23" | |
Wheel Size | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD | 26 in 559 mm BSD |
Tire Width | 2.13in | 2.13in | 2in | 2.13in |
Tire Outer Diameter | 667.2mm | 667.2mm | 660.6mm | 667.2mm |
Bike Length with Tires | 1744.2mm | 1741.2mm | 1754.6mm | 1781.2mm |
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://www.ragandbone.ca/PDFs/Miyata%20Catalogue%20PDFs/Miyata%20Catalogue%2085.pdf