2023 Bisan unique Base
- Category
- Endurance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Carbon/Composite
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
dimension | 47 cm | 51 cm | 53 cm | 57 cm | |
Stack | — | 505.1mm | 517.1mm | 537.6mm | 558.4mm |
Reach | — | 365.2mm | 381.8mm | 396.2mm | 409.5mm |
Stack to Reach Ratio | — | 1.38:1 | 1.35:1 | 1.36:1 | 1.36:1 |
Seat Tube Length, Unknown | — | 470mm | 510mm | 530mm | 570mm |
Top Tube Length, Effective/Horizontal Unknown | — | 505mm | 530mm | 550mm | 580mm |
Top Tube Slope | — | 6.1deg | 2.9deg | 3deg | 1.3deg |
Head Tube Angle | — | 71.5deg | 72deg | 72deg | 72.5deg |
Seat Tube Angle | — | 74.5deg | 74deg | 74deg | 73deg |
Head Tube Length | — | 95mm | 108.5mm | 130mm | 150mm |
Bottom Bracket Drop | — | 68mm | 68mm | 68mm | 68mm |
Bottom Bracket Height | — | 268mm | 268mm | 268mm | 268mm |
Chainstay Length | — | 408mm | 408mm | 408mm | 408mm |
Chainstay Length Horizontal | — | 402.3mm | 402.3mm | 402.3mm | 402.3mm |
Front-Center | — | 568.3mm | 584.4mm | 604.8mm | 619.8mm |
Front-Center Horizontal | — | 564.2mm | 580.4mm | 601mm | 616mm |
Wheelbase | — | 966.5mm | 982.7mm | 1003.3mm | 1018.3mm |
Fork Offset/Rake | — | 50mm | 50.1mm | 49.7mm | 49.5mm |
Trail | — — | 59.7mm mid/neutral | 56.5mm mid/neutral | 57mm mid/neutral | 54.1mm mid/neutral |
Mechanical Trail | — | 56.6mm | 53.7mm | 54.2mm | 51.6mm |
Wheel Flop | — | 18mm | 16.6mm | 16.7mm | 15.5mm |
Tire to Pedal Spindle | — 170 mm cranks | 62.3mm 170 mm cranks | 78.4mm 170 mm cranks | 98.8mm 170 mm cranks | 113.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | — 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks | 98mm 170 mm cranks |
Base Build
dimension | 47 cm | 51 cm | 53 cm | 57 cm | |
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 | — | 1638.5mm | 1654.7mm | 1675.3mm | 1690.3mm |
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://bisan.com.tr/unique-ultegra-di2/