Originally Posted by
JohnDThompson
Heliocomatic cogs had a groove on top of the teeth that was intended to improve shifting, but in my experience the chain would often land on the groove and fail to engage the teeth.
Is that what you're experiencing?
Yes, I believe so. I think I will get another wheel/hub and use Suntour or Shimano FW's. I suppose I could get a new Heliocomatic FW but isn't that system kind of crappy anyhow?