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