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