抄録
In the British motorcycle the important matter was the opening of the isle of Man TT race of the 1910s. It was the maker and enthusiastic sport fans that the competitive sprit that raised this in global event. I think that it was the expression of the characteristic of the play cultur they look like the John Bull exactly. Although even the excellent motorcycle the maker did refined be many is the engineer likes the training of older technology and become a cunservative design trend It was a Norton and Triumph that survived at the end of the 1950s and be not productivity although it is high qualty.