2019 Author Traction 29 Base 21"
Build
700C/29 in × 2.25 in
Insights
Somewhat upright stack and reach vs trend of hardtail cross-country mtb bikes
Suspension sag unknown
Geometry may mis-represent actual riding geometry
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 648mm |
| Reach | 447mm |
| Stack to Reach Ratio | 1.45:1 |
| Seat Tube Length, C-T | 535mm |
| Top Tube Length, Effective/Horizontal Center | 645mm |
| Top Tube Length, Actual C-C | 619mm |
| Top Tube Slope | 12.2deg |
| Head Tube Angle | 70deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 130mm |
| Bottom Bracket Drop | 61mm |
| Bottom Bracket Height | 307.2mm |
| Chainstay Length | 443mm |
| Chainstay Length Horizontal | 438.8mm |
| Front-Center | 717.8mm |
| Front-Center Horizontal | 715.2mm |
| Wheelbase | 1154mm |
| Fork Offset/Rake | 51mm |
| Fork Length (Axle-To-Crown) | 510mm |
| Trail | 79.7mm high |
| Mechanical Trail | 74.9mm |
| Wheel Flop | 25.6mm |
| Tire to Pedal Spindle Distance With 175 mm cranks | 174.7mm |
| Pedal Spindle to Ground Clearance With 175 mm cranks | 132.2mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 2.25in |
| Tire Outer Diameter | 736.3mm |
| Bike Length with Tires | 1890.3mm |
| Crank Length | 175mm |
| Handlebar Width | 700mm |
| Suspension Type | Hardtail (Front suspension) |
| Bar Type | Flat Bar |
| Fork Travel | 100mm |
| Suspension Sag | Unknown |
| Frame Material | Aluminum |
| Fork Material | Unknown |
| Brake Type | Disc |
Published Sizing Recommendations
| Height | 188 cm to 202 cm |
Source:http://en.author.eu/cross-country/mtb-29/author-traction-29-2019-ua42907202-6404#!geometrie-modelu