2023 Author Ultrasonic 27,5 16"
Build
650B/27.5 in × 2 in
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 582mm |
| Reach | 403mm |
| Stack to Reach Ratio | 1.44:1 |
| Seat Tube Length, C-T | 406mm |
| Top Tube Length, Effective/Horizontal HT Top | 575mm |
| Top Tube Length, Actual C-C | 557mm |
| Head Tube Angle | 69.5deg |
| Effective Seat Tube Angle, Seat Tube Top | 73.5deg |
| Head Tube Length | 115mm |
| Bottom Bracket Drop | 45mm |
| Bottom Bracket Height | 297.8mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 417.6mm |
| Front-Center | 651mm |
| Front-Center Horizontal | 649.4mm |
| Wheelbase | 1067mm |
| Fork Offset/Rake | 43mm |
| Fork Length (On-Axis) | 475mm |
| Trail | 82.3mm very high |
| Mechanical Trail | 77.1mm |
| Wheel Flop | 27mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 138.2mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 127.8mm |
27,5 Build
| Wheel Size | 650B, 27.5 inch (584mm BSD) |
| Tire Width | 2in |
| Tire Outer Diameter | 685.6mm |
| Bike Length with Tires | 1752.6mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | Unknown |
| Suspension Sag | Unknown |
| Frame Material | Unknown |
| Fork Material | Unknown |
| Brake Type | Unknown |
Published Sizing Recommendations
| Height | 155 cm to 170 cm |
Source:https://cz.author.eu/ultrasonic-27-5-2023-ua42944100#!technicka-specifikace