Radialer Reifen für Motorräder.

摘要

A motorcycle radial tyre which comprises a carcass (6) having at least one ply of radially arranged organic fibre cords turned up around a pair of bead cores (5), the radial height (Ht) of the radially outer edge of the carcass turned up portions being more than 0.6 and less than 1.2 times the radial height (Hs) of the tread edges (E1,E2), a first belt (7) comprising one cord (11) or a plurality of parallel cords wound spirally so that the windings thereof are laid at small angles with respect to the tyre equator (C), a second belt (8) comprising one ply of parallel organic fibre cords laid at at angle of 10 to 30 degrees with respect to the tyre equator, a bead apex (9) made of rubber having a JIS(A) hardness of 65 to 75 disposed between the main portion (6a) and each turned up portion (6b) of the carcass (6), and the radial height (Ha) of the radially outer edge of the bead apex (9) from the bead base line (15) being more than 0.5 and less than 1.2 times the radial height (Hs) of the tread edges (E1,E2).