2021 Author guru carbon 540
Build
700C/29 in × 38 mm
Insights
Very upright stack and reach vs trend of sport touring bikes
Design deviates from other sizes of Author guru
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 607mm |
| Reach | 373mm |
| Stack to Reach Ratio | 1.63:1 |
| Seat Tube Length, C-T | 540mm |
| Seat Tube Length, C-C | 492mm |
| Top Tube Length, Effective/Horizontal Center | 542mm |
| Top Tube Length, Effective/Horizontal HT Top | 565mm |
| Top Tube Slope | 9.8deg |
| Head Tube Angle | 71.5deg |
| Seat Tube Angle | 72.5deg |
| Head Tube Length | 180mm |
| Bottom Bracket Drop | 72mm |
| Bottom Bracket Height | 277mm |
| Chainstay Length | 425mm |
| Chainstay Length Horizontal | 418.9mm |
| Front-Center | 611.4mm |
| Front-Center Horizontal | 607.1mm |
| Wheelbase | 1026mm |
| Fork Offset/Rake | 52mm |
| Fork Length, Unknown | 401mm |
| Trail | 61.9mm mid/neutral |
| Mechanical Trail | 58.7mm |
| Wheel Flop | 18.6mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 92.4mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 107mm |
carbon Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 38mm |
| Tire Outer Diameter | 698mm |
| Bike Length with Tires | 1724mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Drop Bar |
| Frame Material | Carbon/Composite |
| Fork Material | Carbon/Composite |
| Brake Type | Disc |
Source:https://en.author.eu/adventure/gravel-bike/author-guru-2023-ua42952102#!geometrie-modelu