Woodruff key -PIAGGIO DIN6888- 4 x 6.5 (used for crankshaft/clutch side Vespa PX, Rally180 (VSD1T), Rally200 (VSE1T), Sprint, crankshaft/flywheel side Lambretta LI, LIS, SX, TV, DL, GP, Piaggio 250-300cc 4-stroke)

The original Piaggio disc springs (half-moon wedges) are characterized by a production deviating from the DIN standard. The disc springs have considerably larger radii and thus make installation much easier: A Woodruff key is not designed to transmit driving forces. The frictional connection between the two components is created by the tightening torque and a cone.

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