2019 Serotta Duetti A9
- Category
- Performance Road
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Very upright stack and reachvs category | Very upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category | Somewhat upright stack and reachvs category |
Geometry
SM | SL | MM | ML | MLL | LM | LL | XL | |
Stack | 522mm | 531mm | 541mm | 552mm | 570mm | 589mm | 610mm | 626mm |
Reach | 351mm | 356mm | 370mm | 377mm | 383mm | 390mm | 394mm | 399mm |
Stack to Reach Ratio | 1.49:1 | 1.49:1 | 1.46:1 | 1.46:1 | 1.49:1 | 1.51:1 | 1.55:1 | 1.57:1 |
Seat Tube Length, C-T | 430mm | 445mm | 460mm | 475mm | 495mm | 515mm | 535mm | 555mm |
Top Tube Length, Effective/Horizontal Center | 498mm | 508mm | 533mm | 543mm | 557mm | 570mm | 581mm | 591mm |
Top Tube Slope | 13deg | 12.2deg | 11.3deg | 10.7deg | 10.4deg | 10.1deg | 10.1deg | 9.6deg |
Head Tube Angle | 70.8deg | 70.5deg | 72deg | 72.3deg | 72.8deg | 73deg | 73deg | 73deg |
Seat Tube Angle | 74.3deg | 74deg | 73.3deg | 73.3deg | 73deg | 73deg | 73deg | 73deg |
Head Tube Length | 101mm | 111mm | 118mm | 131mm | 150mm | 169mm | 191mm | 213mm |
Bottom Bracket Drop | 82mm | 82mm | 80mm | 78mm | 75mm | 75mm | 75mm | 70mm |
Bottom Bracket Height | 257mm | 257mm | 259mm | 261mm | 264mm | 264mm | 264mm | 269mm |
Chainstay Length | 415mm | 415mm | 415mm | 415mm | 415mm | 415mm | 415mm | 417mm |
Chainstay Length Horizontal | 406.8mm | 406.8mm | 407.2mm | 407.6mm | 408.2mm | 408.2mm | 408.2mm | 411.1mm |
Front-Center | 565mm | 574mm | 579mm | 587mm | 590mm | 600mm | 610mm | 620mm |
Front-Center Horizontal | 559mm | 568.1mm | 573.5mm | 581.8mm | 585.2mm | 595.3mm | 605.4mm | 616mm |
Wheelbase | 965.8mm | 974.9mm | 980.7mm | 989.4mm | 993.4mm | 1003.5mm | 1013.5mm | 1027.1mm |
Fork Offset/Rake | 51mm | 51mm | 51mm | 51mm | 46mm | 46mm | 46mm | 46mm |
Trail | 64.1mm mid/​neutral | 65.9mm high | 56.5mm mid/​neutral | 54.7mm mid/​neutral | 56.8mm mid/​neutral | 55.5mm mid/​neutral | 55.5mm mid/​neutral | 55.5mm mid/​neutral |
Mechanical Trail | 60.5mm | 62.2mm | 53.8mm | 52.1mm | 54.3mm | 53.1mm | 53.1mm | 53.1mm |
Wheel Flop | 19.9mm | 20.8mm | 16.6mm | 15.8mm | 16mm | 15.5mm | 15.5mm | 15.5mm |
Tire to Pedal Spindle | 56mm 170 mm cranks | 65mm 170 mm cranks | 70mm 170 mm cranks | 78mm 170 mm cranks | 81mm 170 mm cranks | 91mm 170 mm cranks | 101mm 170 mm cranks | 111mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 87mm 170 mm cranks | 87mm 170 mm cranks | 89mm 170 mm cranks | 91mm 170 mm cranks | 94mm 170 mm cranks | 94mm 170 mm cranks | 94mm 170 mm cranks | 99mm 170 mm cranks |
A9 Build
SM | SL | MM | ML | MLL | LM | LL | XL | |
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 | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD | 700C/29 in 622 mm BSD |
Tire Width | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm | 28mm |
Tire Outer Diameter | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm | 678mm |
Bike Length with Tires | 1643.8mm | 1652.9mm | 1658.7mm | 1667.4mm | 1671.4mm | 1681.5mm | 1691.5mm | 1705.1mm |
Published Sizing Recommendations
Height | 5 ft 0 in to 5 ft 3 in | 5 ft 2 in to 5 ft 4 in | 5 ft 3 in to 5 ft 7 in | 5 ft 4 in to 5 ft 8 in | 5 ft 6 in to 5 ft 10 in | 5 ft 9 in to 6 ft 1 in | 5 ft 11 in to 6 ft 3 in | 6 ft 0 in to 6 ft 4 in |
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
Performance RoadSource:https://shopserotta.com/products/duetti-a9-frameset-clearance-sale