Boardtracker

http://www.motoredbikes.com/showthread.php?21295-Boardtracker

Volvo gasser

http://www.jalopyjournal.com/

Weekend

znalezione na ryjbuk.pl

Bike

http://www.cosgroveball.com/

Zrób to sam - dirt track racer

http://www.bullsac.com/2011/01/20/build-a-dirt-track-racer/

Całość w formacie pdf : http://www.bullsac.com/wp-content/uploads/2011/01/dirttrackracer.pdf