Patent ID: 7694705
Filing Date: 2010-04-13
Classification: A63H,B60C

Abstract:
1. A tire comprising: a tire main body having an annular body adapted to be fitted to a wheel and an annular groove formed on an outer surface of the annular body in a circumferential direction; and a ring made of a material different from that of the annular body, said ring having a thickness equal to or thicker than a depth of said annular groove, said ring being removably attached to said annular groove and being removable without disassembling the tire main body, wherein the annular body is made of a soft rubber based material, and the ring consists of a hard rubber based material, wherein said ring has a thickness thicker than the depth of said annular groove by about 0.1 to 1.0 mm and is configured to reduce traction of the tire with a road surface.