1990 Miyata All Terrain Series Sport Runner 57
Build
26 in × 53 mm
Insights
Very aggressive stack and reach vs trend of rigid fatbike bikes
Stack and Reach vs. Category Trend
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Geometry
| Stack | 540mm |
| Reach | 400mm |
| Stack to Reach Ratio | 1.35:1 |
| Seat Tube Length, C-TTT | 495mm |
| Top Tube Length, Effective/Horizontal HT Top | 590mm |
| Top Tube Slope | 4.9deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 160mm |
| Bottom Bracket Drop | 51.3mm |
| Bottom Bracket Height | 281.2mm |
| Chainstay Length | 435mm |
| Chainstay Length Horizontal | 432mm |
| Front-Center | 670mm |
| Front-Center Horizontal | 668mm |
| Wheelbase | 1100mm |
| Fork Offset/Rake | 50mm |
| Trail | 61.6mm mid/neutral |
| Mechanical Trail | 58.3mm |
| Wheel Flop | 19mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 167.5mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 111.2mm |
Sport Runner Build
| Wheel Size | 26 inch (559mm BSD) |
| Tire Width | 53mm |
| Tire Outer Diameter | 665mm |
| Bike Length with Tires | 1765mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Source:https://www.ragandbone.ca/PDFs/Miyata%20Catalogue%20PDFs/Miyata%20Catalogue%2090.pdf