2013 Author A 33 Base
- Category
- Sport Touring
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Aluminum
- Features
- Rim brake
Geometry
48 | 50 | 52 | 54 | 56 | 58 | |
Stack | 533mm | 542.6mm | 558.3mm | 575.5mm | 594.7mm | 613.9mm |
Reach | 386.8mm | 389.9mm | 399.6mm | 402.6mm | 406.1mm | 406.6mm |
Stack to Reach Ratio | 1.38:1 | 1.39:1 | 1.4:1 | 1.43:1 | 1.46:1 | 1.51:1 |
Seat Tube Length, C-T | 525mm | 545mm | 567mm | 585mm | 605mm | 625mm |
Seat Tube Length, C-C | 480mm | 500mm | 520mm | 540mm | 560mm | 580mm |
Top Tube Length, Actual C-C | 550mm | 553mm | 567mm | 578mm | 588mm | 594mm |
Head Tube Angle | 73.3deg | 73.3deg | 73.4deg | 74deg | 74deg | 74deg |
Seat Tube Angle | 73deg | 73.3deg | 73.4deg | 73deg | 73deg | 73deg |
Head Tube Length | 110mm | 120mm | 135mm | 155mm | 175mm | 195mm |
Bottom Bracket Drop | 67mm | 67mm | 68mm | 64mm | 64mm | 64mm |
Bottom Bracket Height | 269mm | 269mm | 268mm | 272mm | 272mm | 272mm |
Chainstay Length | 405mm | 405mm | 405mm | 405mm | 405mm | 405mm |
Chainstay Length Horizontal | 399.4mm | 399.4mm | 399.3mm | 399.9mm | 399.9mm | 399.9mm |
Front-Center | 577.5mm | 583.4mm | 596.6mm | 599.5mm | 608.5mm | 614.4mm |
Front-Center Horizontal | 573.6mm | 579.6mm | 592.8mm | 596.1mm | 605.1mm | 611.1mm |
Wheelbase | 973mm | 979mm | 992mm | 996mm | 1005mm | 1011mm |
Fork Offset/Rake | 45mm | 45mm | 45mm | 45mm | 45mm | 45mm |
Fork Length (On-Axis) | 370mm | 370mm | 370mm | 370mm | 370mm | 370mm |
Trail | 53.8mm mid/neutral | 53.8mm mid/neutral | 53.2mm mid/neutral | 49.5mm mid/neutral | 49.5mm mid/neutral | 49.5mm mid/neutral |
Mechanical Trail | 51.6mm | 51.6mm | 51mm | 47.6mm | 47.6mm | 47.6mm |
Wheel Flop | 14.8mm | 14.8mm | 14.6mm | 13.1mm | 13.1mm | 13.1mm |
Tire to Pedal Spindle | 71.5mm 170 mm cranks | 77.4mm 170 mm cranks | 90.6mm 170 mm cranks | 93.5mm 170 mm cranks | 102.5mm 170 mm cranks | 108.4mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 99mm 170 mm cranks | 99mm 170 mm cranks | 98mm 170 mm cranks | 102mm 170 mm cranks | 102mm 170 mm cranks | 102mm 170 mm cranks |
Base Build
48 | 50 | 52 | 54 | 56 | 58 | |
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 |
Tire Width | 25mm | 25mm | 25mm | 25mm | 25mm | 25mm |
Tire Outer Diameter | 672mm | 672mm | 672mm | 672mm | 672mm | 672mm |
Bike Length with Tires | 1645mm | 1651mm | 1664mm | 1668mm | 1677mm | 1683mm |
Published Sizing Recommendations
Height | 154 cm to 162 cm | 160 cm to 170 cm | 168 cm to 178 cm | 176 cm to 188 cm | 186 cm to 195 cm | 193 cm to 202 cm |
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
Sport TouringSource:https://cz.author.eu/a-33-2013-ua42818601#!geometrie-modelu