Heidenau K29 3.50 – 16 M/C SW 60P TT Sidecar Front or Rear TyreHeidenau K29 3. 50 16 M C SW 60P TT Sidecar Front or Rear Tyre The K29 is especially designed for sidecar motorcycles. The tires angular design leaves a large footprint reducing wear while simultaneously increasing grip. Tread with History The K29 was originally made for Jawa sidecars, as well as other European makes. Now made with modern compounds and construction Heidenau has made a very original tire that surpasses the original. Performance A flat