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If
you've not got one,
you really need one...
If you've got one as standard,
you'll benefit from a better
one!
Sigma
Slipper Clutches
Originally,
slipper clutches were thought
to be needed only on big twins
- like Ducatis - but MotoGP
and SuperBike/SuperSport race
series have now shown just how
essential they are on multi
cylinder four strokes too.
Used by Championship Winning
teams the world over - and with
good reasons - HPS recommends
Sigma, which enable everyone
from road riders, trackday enthusiasts
to professional racers to easily
enjoy the essential and multiple
benefits of a Slipper Clutch.
Better lap times through
faster corner entry
When you close your throttle
at high RPM, - especially when
downshifting rapidly - your
Sigma clutch will ensure your
rear tyre and rear suspension
remain unaffected by the forces
caused by engine braking and
by preventing rear wheel "hopping"
or locking-up upon corner entry,
meaning your rear tyre maintains
complete side grip when turning
in.
Increased confidence
on road or track
With the rear tyre’s grip
being used purely for turning,
you have far greater stability
and a feeling of confidence
when entering both high and
slow speed corners and the clutch
will be of particular benefit
when rapidly slowing on track
at the end of a high-speed straight,
or on the road when an unexpectedly
tight bend appears.
Protect your engine
and gearbox!
And - just as importantly -
your clutch will completely
prevent the often severe (or
catastrophic - see
image here) damage caused
by over-revving when downshifting
...the full benefits of this
simply can't be overstated.
After suffering
£1,200 of engine
damage from breaking a
con-rod because of a botched
downshift with his original
non-slipper clutch, one
of our recent Sigma
customers now says:
"I got one of your
excellent slipper clutches
for my R6 engine and It's
absolutely superb - what
a difference it's made
to my racing, it's amazing. I
can now bang it down the
'box. It works absolutely
perfectly and I can't
over-rev the engine now
because of the slipper
clutch and I can go straight
to the gear I know I'll
need after braking.
It means you're not constantly
looking at your rev counter;
you don't have to worry
about anything else apart
from your racing, which
means you can give more
attention to your braking
points and your position
on the road - it's one
important thing less to
worry about.
I knocked nearly three
seconds off my lap times
- which is a mountainous
leap. I'm so pleased
with how it works, it really
is a superb piece of kit
and I'd recommend one
to anyone"
Robin
Daykin - Team
"Past-it" 2010
Championship series winner |
Why choose Sigma quality?
There are others on the market
but, at HPS we've been selling
Sigma clutches for almost a
decade with complete reliability
and we've never had a failed
unit ...don't risk putting an
cheap copy clutch inside your
valuable engine!
All SIGMA Slipper Clutches supplied
by HPS:
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High-quality
for extreme reliability |
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Sigma
normally use standard and
inexpensive clutch plates
and springs - others often
use expensive bespoke parts |
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Ball
bearing lift mechanism -
for a far smoother operation
than standard fit plain-ramp
slipper clutches |
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Automatic,
self-adjusting slip, for
the perfect feel and corner-entry
balance |
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Durability
proven by the highest-level
race teams and long-distance
road riders alike |
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Fully
serviceable and spares are
readily available, if ever
required |
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Conform
fully with the requirements
of the FIM and BSB rule
books |
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No
internal adjustments required
whatsoever when in use -
just fit, feel the benefits,
and forget! |
Our
range is constantly being increased
so please call if your bike
isn’t listed here as
it may be becoming available
shortly..
Click here to check availability
for your bike...
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