Discover on this page our entire range of kickstarters and selectors for your RIEJU MARATHON off-road motorcycle PRO 450 CROSS COMPETITION 4. Find par example the colored kickstarters, the original gear selector, the kickstarter parts or the ideal gear selector parts for the repair or maintenance of your bike. cane. All the parts we offer are available, in stock and of high quality. Find adaptable or original parts. Many brands are available on our site (Buzzetti,, Fifty Moto Parts, Gencod... etc).