1989 Diamondback Bicycles Ascent Base
- Category
- Rigid MTB
- Design
- Flat Bar, Rigid, non-suspension corrected
- Frame
- Steel
- Fork
- Steel
- Features
- Rim brake
Geometry
15 | 17 | 19 | 20.5 | 22.5 | |
Seat Tube Length, Unknown | 15mm | 17mm | 19mm | 20.5mm | 22.5mm |
Top Tube Length, Effective/Horizontal Unknown | 539mm | 548mm | 563mm | 570mm | 590mm |
Head Tube Angle | 70deg | 70deg | 70deg | 70deg | 70deg |
Seat Tube Angle | 73deg | 73deg | 73deg | 73deg | 73deg |
Bottom Bracket Drop | 29.5mm | 29.5mm | 29.5mm | 29.5mm | 29.5mm |
Bottom Bracket Height | 300mm | 300mm | 300mm | 300mm | 300mm |
Chainstay Length | 430mm | 430mm | 430mm | 430mm | 430mm |
Chainstay Length Horizontal | 429mm | 429mm | 429mm | 429mm | 429mm |
Front-Center | 609.7mm | 609.7mm | 627.7mm | 639.7mm | 660.7mm |
Front-Center Horizontal | 609mm | 609mm | 627mm | 639mm | 660mm |
Wheelbase | 1038mm | 1038mm | 1056mm | 1068mm | 1089mm |
Fork Offset/Rake | 50mm | 45mm | 45mm | 45mm | 45mm |
Trail | 66.7mm high | 72mm high | 72mm high | 72mm high | 72mm high |
Mechanical Trail | 62.7mm | 67.7mm | 67.7mm | 67.7mm | 67.7mm |
Wheel Flop | 21.4mm | 23.2mm | 23.2mm | 23.2mm | 23.2mm |
Tire to Pedal Spindle | 110.2mm 170 mm cranks | 110.2mm 170 mm cranks | 128.2mm 170 mm cranks | 140.2mm 170 mm cranks | 161.2mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 130mm 170 mm cranks | 130mm 170 mm cranks | 130mm 170 mm cranks | 130mm 170 mm cranks | 130mm 170 mm cranks |
Base Build
15 | 17 | 19 | 20.5 | 22.5 | |
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 | 50mm | 50mm | 50mm | 50mm | 50mm |
Tire Outer Diameter | 659mm | 659mm | 659mm | 659mm | 659mm |
Bike Length with Tires | 1697mm | 1697mm | 1715mm | 1727mm | 1748mm |
Source:https://www.retrobike.co.uk/gallery2/d/60225-2/Ascent.jpg