STM ITALY Aprilia Dorsoduro / Shiver Wet Slipper Clutch – Desmoheart

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STM ITALY Aprilia Dorsoduro / Shiver Wet Slipper Clutch
STM ITALY Aprilia Dorsoduro / Shiver Wet Slipper Clutch

STM ITALY Aprilia Dorsoduro / Shiver Wet Slipper Clutch

Regular price €849,00 Sale

Wet slipper clutch conversion kit by STM Italy for Aprilia Dorsoduro 750 / Shiver 750.

The vision of STM ITALY will always be the same: being the leader in the slipper clutches sector anticipating the future. This will affords to provide as well innovative solutions to the professionals of MotoGP and WSBK, as the best productive quality with equipment more and more performing and technological to the worldwide market.

Springs functioning: the primary and secondary springs are pre-loaded in order to generate an initial elastic strength of contrast.

Primary spring:

  • makes pressure on the disc pack through the pressure plate
  • replaces the helicoidal springs

Primary spring functioning: when you operate clutch lever, the primary spring is compressed. The spring releases an elastic strength of contrast to the lever movement. The next chart shows how the spring load varies with its compression.

Secondary spring:

  • makes pressure on the drum
  • regulates the opening of the slipper clutch and regulates the engine brake

Secondary spring functioning: the engine brake makes the drum rotate and shift outwards causing the discs to disengage. The secondary spring is compressed in comparison with the initial resting position and generates an elastic strength of contrast.

📦 Equipped with slipper clutch and plates set

🛠 Instructions for installation

APPLICATION:

Aprilia DORSODURO 750 (2008 – 2015)

Aprilia SHIVER 750 (2010 – 2015)

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