Lety posted an answer for this Invacare Supply Group Invacare Pronto M51 Power Wheelchair - Blue - Power wheelchair:
"Not so much a solution, just a recommendation. I had the same problem with mine within a..."
Lety posted a question about Invacare Pronto M51 Power Wheelchair:
"My pronto m51 has begun to feel as if it is forcing itself when driving it. My husband..."