SIGMA SLIPPER CLUTCH

to fit

YAMAHA

XT660X/R/RAPTOR

 

Now with over 40 different clutches, the Sigma range incorporates many popular street bikes as well as the race applications that have made their name.  Sigma slipper clutches are designed to allow easier downshifting on the road or track.  Originally a pure race accessory the slipper clutches smooth gear changes for skilled riders and beginners alike by automatically and seamlessly desengaging the clutch whenever engine braking or rear wheel hop becomes excessive.  In racing Sigma slipper clutches have proven themselves to be a reliable and effective addition to many a racing teams armoury.  On their very first outing in a Ducati back in 1998 they won a World Superbike support race at Donington and in 2004 at Brands Hatch won their very first British Supersport race on Jay Vincent's Padgett's CBR600.  Since then they have won many BSB Supersport races and championships and a bunch of TT's and North West 200 races.

 

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