2020 Koga Beachracer Base
- Category
- Progressive Gravel
- Design
- Drop Bar, Rigid, non-suspension corrected
- Frame
- Aluminum
- Fork
- Carbon/Composite
- Features
- Disc brake
Geometry
50 | 54 | 56 | 58 | 60 | |
Stack | 553mm | 564mm | 584mm | 603mm | 621mm |
Reach | 385mm | 398mm | 408mm | 406mm | 413mm |
Stack to Reach Ratio | 1.44:1 | 1.42:1 | 1.43:1 | 1.49:1 | 1.5:1 |
Seat Tube Length, C-T | 500mm | 540mm | 560mm | 580mm | 600mm |
Top Tube Length, Effective/Horizontal HT Top | 540mm | 556mm | 570mm | 579mm | 591mm |
Top Tube Slope | 7.8deg | 4.6deg | 4.6deg | 4.6deg | 4.4deg |
Head Tube Angle | 70.5deg | 71deg | 71deg | 71deg | 71deg |
Seat Tube Angle | 74.5deg | 74.5deg | 74.5deg | 74deg | 74deg |
Head Tube Length | 90mm | 95mm | 110mm | 130mm | 150mm |
Bottom Bracket Drop | 60mm | 60mm | 60mm | 60mm | 60mm |
Bottom Bracket Height | 311mm | 311mm | 311mm | 311mm | 311mm |
Chainstay Length | 445mm | 445mm | 445mm | 445mm | 445mm |
Chainstay Length Horizontal | 440.9mm | 440.9mm | 440.9mm | 440.9mm | 440.9mm |
Front-Center | 611mm | 622mm | 636.9mm | 641.9mm | 653.8mm |
Front-Center Horizontal | 608.1mm | 619.1mm | 634.1mm | 639.1mm | 651.1mm |
Wheelbase | 1049mm | 1060mm | 1075mm | 1080mm | 1092mm |
Fork Offset/Rake | 42mm | 42mm | 42mm | 42mm | 42mm |
Trail | 86.8mm very high | 83.3mm very high | 83.3mm very high | 83.3mm very high | 83.3mm very high |
Mechanical Trail | 81.8mm | 78.8mm | 78.8mm | 78.8mm | 78.8mm |
Wheel Flop | 27.3mm | 25.7mm | 25.7mm | 25.7mm | 25.7mm |
Tire to Pedal Spindle | 70mm 170 mm cranks | 81mm 170 mm cranks | 95.9mm 170 mm cranks | 100.9mm 170 mm cranks | 112.8mm 170 mm cranks |
Pedal Spindle to Ground Clearance | 141mm 170 mm cranks | 141mm 170 mm cranks | 141mm 170 mm cranks | 141mm 170 mm cranks | 141mm 170 mm cranks |
Base Build
50 | 54 | 56 | 58 | 60 | |
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 |
Tire Width | 60mm | 60mm | 60mm | 60mm | 60mm |
Tire Outer Diameter | 742mm | 742mm | 742mm | 742mm | 742mm |
Bike Length with Tires | 1791mm | 1802mm | 1817mm | 1822mm | 1834mm |
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
Progressive GravelSource:https://d2zxu9tg022395.cloudfront.net/files/5/9/2/5/KGBR.pdf