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STM MX R-EVOLUTION Fixed Clutch
The new “MX R-Evolution is a long-life light-weight clutch specifically designed by
STM technicians to bring clutch performance to the next level in terms of precision,
response and control.
The new MX R-Evolution clutches contain many of the technical solutions developed
by STM in recent years: “Evoluzione Spring Technology - All “R-Evolution clutches are
equipped with “Evoluzione springs which are the result of STMs diaphragm spring
technology. Years of cooperation with top SX and MX teams have proven the advantages of our “Evoluzione spring over the traditional coil springs used by OEM clutch
manufacturers. The digressive action of the “Evoluzione spring allows for faster
engagement of the clutch and superior precision and control of the clutch when
actuating the clutch lever (this also translates into better starts).
Innovative Hub Design - “R-Evolution clutches have an innovative hub design that
allows optimal clutch response when operating the lever and consistent performance
throughout the race. The steel guides on the hub guarantee a better disengagement
of the disc pack and long life of the clutch hub.
STM Tempered Steel Discs - All “R-Evolution clutches come with tempered steel plates
designed to match the STM hub design and to work with the original friction plates.
These discs guarantee a constant rate of consumption of the disc pack inside the
clutch and lead to longer life of the hub. Forced Lubrication System (FLS)
The “R-Evolution clutch is designed to ensure improved lubrication of the clutch components. STMs forced lubrication
System ensures optimal circulation of engine oil trough
specifically designed passageways. FLS guarantees consistent clutch performance throughout its range of use and extends the life
of the individual clutch components.“REvolution clutches can be fitted with
the OEM clutch basket or with STM
off-road baskets (sold separately),
using OEM friction plates. The new
“R-Evolution clutches are currently available for the following
applications: Why waiting for
something else when the best
has already come?
STM Husqvarna Supermoto Slipper Clutch
STM Suzuki DRZ400 Supermoto Slipper Clutch
STM Aprilia SXV Supermoto Slipper Clutch
STM Husqvarna 450 510 610 Slipper Clutch
STM Kawasaki KX 450F Slipper Clutch
STM Supermoto Slipper Clutch Honda CRF 250R
STM Yamaha YZ/WR 450F Supermoto Slipper Clutch
STM Slipper Clutch Primary Spring
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