[Jez900ie]

Originally Posted by Flip

I didn't think Sigma clutches were that much- have a look on their website, you might find it a little more encouraging:

http://www.sigmaperformance.com/slipperclutchrange.html

It doesn't have such a great name as 'Antihopping Kupplung' though but as Luddite says, Neil has been the man in the past when it comes to Monsters so they know their stuff:

http://www.sigmaperformance.com/technical.htm

This in particular is a good read for those with an air cooled 2v:

http://www.sigmaperformance.com/torquemonster.html

I'll call them today and see what they have.

The "48 teeth performance " versions reccomended by Luddite are way more expensive than the other Sigma slipper clutches offerred by suppliers on eBay.

Antihopping Kupplung" sounds like a breathing problem!

The article on the Sigma page was interesting too- thanks for the heads up Flip.