Sorry, this is a two(ish) wheel request,
The front wheel bearings in our family Sem MiniBike (MB) have collapsed .
Apart from buying another complete wheel. Does anyone know how to
replace/dismantle the bearing and replace the bearing shaft and the
bearing cage. Ours has a plastic cage and seven 3-4mm bearings. The
bearing shaft was (intentionally) in two parts and appears to be an
In our defence however, Adam (my son) does wheely the MB, so consider this
a request from a Mini-Uni Recumbent rider. He has however been brought up
appropriately and also rides a MUni, or Giraffe, as should all teenagers!
Duncan & Chris, (Unstable & Unable)