Crown Sidewinder 34z diameter 17.5

They are fully compatible with all brands and sprockets in the market. Sloting Plus, Ninco, Slot.it, Superslot, Carrera, Scaleauto etc ... and like the rest of Sloting Plus crowns, it uses the M2.5 Allen stud and is valid for a 2.38 mm shaft. (3/32 ") They can be perfectly combined with 6 - 6.5 - 6.75 - 7 and 7.5 mm diameter sprockets.

  Made in Duralumin