1985 Miyata 912 Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
60 | 50 | 54 | 57 | 63 | |
Stack | 615mm | — | — | — | — |
Reach | 395mm | — | — | — | — |
Stack to Reach Ratio | 1.56:1 | — | — | — | — |
Seat Tube Length, C-C | 600mm | 500mm | 540mm | 570mm | 630mm |
Top Tube Length, Effective/Horizontal Center | 580mm | 535mm | 550mm | 565mm | 580mm |
Top Tube Length, Actual C-C | 580mm | — | — | — | — |
Top Tube Slope | 0deg | — | — | — | — |
Head Tube Angle | 73deg | 71deg | 72deg | 72deg | 73deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 205mm | — | — | — | — |
Bottom Bracket Drop | 75mm | 69.8mm | 70mm | 70.1mm | 70.5mm |
Bottom Bracket Height | 261mm | 266.2mm | 266mm | 265.9mm | 265.6mm |
Chainstay Length | 420mm | 420mm | 420mm | 420mm | 420mm |
Chainstay Length Horizontal | 413.3mm | 414.2mm | 414.1mm | 414.1mm | 414.1mm |
Front-Center | 615mm | 589mm | 595mm | 600mm | 615mm |
Front-Center Horizontal | 611.8mm | 584.9mm | 590.9mm | 595.9mm | 611mm |
Wheelbase | 1025mm | 999mm | 1005mm | 1010mm | 1025mm |
Fork Offset/Rake | 60mm | — | — | — | — |
Trail | 40mm low | — — | — — | — — | — — |
Mechanical Trail | 38.2mm | — | — | — | — |
Wheel Flop | 11.2mm | — | — | — | — |
Tire to Pedal Spindle | 114mm 165 mm cranks | 83mm 170 mm cranks | 89mm 170 mm cranks | 94mm 170 mm cranks | 109mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 96mm 165 mm cranks | 96.2mm 170 mm cranks | 96mm 170 mm cranks | 95.9mm 170 mm cranks | 95.6mm 170 mm cranks |
Base Build
60 | 50 | 54 | 57 | 63 | |
Wheel Size | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1697mm | 1671mm | 1677mm | 1682mm | 1697mm |
Crank Length | 165mm | — | — | — | — |
Handlebar Width | 400mm | — | — | — | — |
Stem Length | 90mm | — | — | — | — |
Stem Angle | 82deg | — | — | — | — |
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
Endurance RoadSource:https://www.ragandbone.ca/PDFs/Miyata%20Catalogue%20PDFs/Miyata%20Catalogue%2085.pdf