i downloaded and the model is great!, but the leafspring setup though very realistic makes my computer lag bag... so i erased it and just used the little springs it has.... works fine but the soft qheels dont work anymore
nice!, although that rainbow made the bike look very gay, i changed some colors, tweaked the tires and suspension , added a driver, THEN i started having lots of fun climbing hills, great job!
UPDATE: v2, thanks for the comment "My Cool Name", Bolt now stays fixed when firing, just like in this video i found :
http://www.youtube.com/watch?v=l8zuqr5UFv0