Thread: MAP hubs

If you are planning on using the 109" for the CSR I would refit standard drive flanges instead of FWH.

One less thing to worry about.

Originally Posted by bobslandies

Hi Mike,

In the MAP Automatic Hubs it's basically a lockable free-wheeling device. Generally they are known as a sprag or ramp clutch.

See the Renold's explanation:

Sprag Clutch

Bob

Yep that's correct now I remember on the KTM starter the part is called sprag clutch. Not to reliable, I think mine died twice due to me stalling the bike then hitting a relite while rolling without the clutch pulled in OOPsy thats expensive.
Mike