A sports wheelchair 1 wherein the distance between {TAIL ~ said first and second points} on {HEAD ~ said strut linking member} is adjustable 
A sports wheelchair 1 wherein the distance between { TAIL ~ said first and second points } on { HEAD ~ said strut linking member } is adjustable
OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH