RK Concepts

2011 World Championship competitor
BuilderRafik Kaissi
LocationRound Rock, TX
Countryflag us USA
Bike NameRK Spring Frame
Year/Model2011 RK Spring Frame
Engine Make/SizeYamaha 450cc
Frame Make/TypeRK Leaf Spring
Front EndRK stainless
SwingarmRK stainless
Wheels FrontRide Wright Wheels 19
Wheels RearRide Wright Wheels 19
Tires FrontMichelin 130/70/19
Tires RearMichelin 130/70/19
Brakes FrontN/A
Brakes RearBeringer 2 piston
PainterPat Lesiak
Additional InfoFrame 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


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