... does an alum walker count.
... maybe a steel and composite alum wheelchair.
... maybe a carbon fiber cane (i like this thang !).
... how about ti inserts plates (i assume the screws are also ti).
... and i wear vintagevelo wool on the recumbent at the local rec center.
... i did 35 mins today. 5 miles on the screen.
better than nothing!
robert clair
alexandria, va 22308
usa