Avon Tyres has launched a motorcycle tyre fitment promotion for the 2014 riding season. From 1 April to 30 June, customers buying a pair of Storm 3D X-M, 3D Ultra Sport and 3D Ultra Supersport tyres from approved Avon stockists will get £20 off the fitting fee, or £10 off for one tyre. Avon motorcycle tyres are designed, developed and manufactured in Melksham, Wiltshire.