2017 Koga Roadchamp Base 57
Build
700C/29 in × 25 mm
Insights
Design deviates from other sizes of Koga Roadchamp
Stack and Reach vs. Category Trend
View all sizes
Geometry
| Stack | 557mm |
| Reach | 403mm |
| Stack to Reach Ratio | 1.38:1 |
| Seat Tube Length, C-T | 570mm |
| Top Tube Length, Effective/Horizontal HT Top | 573mm |
| Top Tube Slope | 1.2deg |
| Head Tube Angle | 71deg |
| Seat Tube Angle | 73deg |
| Head Tube Length | 150mm |
| Bottom Bracket Drop | 70mm |
| Bottom Bracket Height | 266mm |
| Chainstay Length | 420mm |
| Chainstay Length Horizontal | 414.1mm |
| Front-Center | 621.8mm |
| Front-Center Horizontal | 617.9mm |
| Wheelbase | 1032mm |
| Fork Offset/Rake | 44.6mm |
| Trail | 68.5mm high |
| Mechanical Trail | 64.8mm |
| Wheel Flop | 21.1mm |
| Tire to Pedal Spindle Distance With 170 mm cranks | 115.8mm |
| Pedal Spindle to Ground Clearance With 170 mm cranks | 96mm |
Base Build
| Wheel Size | 700C, 29 inch (622mm BSD) |
| Tire Width | 25mm |
| Tire Outer Diameter | 672mm |
| Bike Length with Tires | 1704mm |
| Suspension Type | Rigid, non-suspension corrected |
| Bar Type | Flat Bar |
| Frame Material | Aluminum |
| Fork Material | Carbon/Composite |
| Brake Type | Rim |
Source:https://www.koga.com/en/bikes/city-and-touring/collection-2017/roadchamp.htm?frame=H