RK Concepts
2011 World Championship competitor
| Builder | Rafik Kaissi |
|---|---|
| Owner | Rafik |
| Location | Round Rock, TX |
| Country |  USA |
| Website | www.rkconcepts.com |
| Bike Name | RK Spring Frame |
| Year/Model | 2011 RK Spring Frame |
| Engine Make/Size | Yamaha 450cc |
| Drivetrain | Yamaha |
| Frame Make/Type | RK Leaf Spring |
| Front End | RK stainless |
| Rake | 51 |
| Swingarm | RK stainless |
| Wheels Front | Ride Wright Wheels 19 |
| Wheels Rear | Ride Wright Wheels 19 |
| Tires Front | Michelin 130/70/19 |
| Tires Rear | Michelin 130/70/19 |
| Brakes Front | N/A |
| Brakes Rear | Beringer 2 piston |
| Painter | Pat Lesiak |
| Additional Info | Frame was designed and built out of leaf springs so it would function also as front and rear suspension. a Yamaha 450 engine was used for this concept with minor performance add-ons. Fold away seat, a beehive gas tank and a lot more. Etc.... |
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Photography courtesy of Frank Sander
