The Dunlop K81 TT100 is a motorcycle tyre[1] thought to be an "obligatory" performance upgrade [2] and a tyre of choice[3] with sporting street motorcyclists during the late 1960s and 1970s[4] due to their shape and relatively sticky compound.[5]
^The Book of Ducati 750SS. Ian Falloon Veloce Publishing Ltd, 1 Nov 2010
^Leanings: The Best of Peter Egan from Cycle World Magazine. Peter Egan. MotorBooks International, 5 May 2009