The Stingworks Sei Giorni GP is a heavy-duty 6-disc clutch for Vespa Largeframe, PX, T5, and Cosa models. The 17-mm friction plate assembly, equipped with 8 BGM PRO XL springs, transmits over 30 PS or 25 Nm while requiring a pleasantly low amount of hand force. The set comes with a BGM PRO retaining ring specifically designed to fit the Stingworks clutch —eliminating the need to modify a PX125 retaining ring.
The Stingworks Sei Giorni GP combines high load capacity with low operating force. The 6-disc friction pack offers a large effective friction surface and, with the included 8 BGM PRO XL springs, enables the transmission of more than 30 PS or 25 Nm.
The set includes a BGM PRO retaining ring specifically designed for Stingworks clutches. It fits the clutch basket directly. This eliminates the need to shorten or modify a PX125 retaining ring, as is usually required.
The assembled package of friction and steel discs has a total height of 17 mm. This positions the clutch basket to fit the clutch mounting of later Largeframe, PX, T5, and Cosa engines.
The Wideframe and early Largeframe versions, on the other hand, use a 19-mm-high lining package. The clutch basket and hub are identical for both variants; the different lining package heights determine the axial position of the clutch basket.
The clutch pinion is intentionally not included in the package. Compatible Cosa2 clutch pinions are used. The number of teeth and type of gearing must match the existing primary sprocket.
The clutch pinion is not included.
Note: For licensed models and modified engines, the clutch mount and primary drive should be checked before installation. The set is shipped unassembled.
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