i ppl would it be safe for me to use a 6 inch innertube instead of a 4 inch
i wouldnt risk it i dont fink it would inflate properly and you would have an hard time gettin it to fit properly have yo tried minimoto racing
www.minimoto.co.uk
there number is 01666 838234
they will be able to help you out if they aint got any there they will give you some people to to ring or sumin hope it helps mate