(57) [summary] [purpose] it is possible to prevent the so-called drag phenomenon at the synchromesh device and to improve the shift feeling at the time of shift operation of the manual transmission. [Configuration] is interposed between the synchronizer key 13 and the coil spring 23 having a cylindrical shape, and a synchromesh device 1 will comprise a Kiritena 24 to be engaged with the coil spring 23. Kiritena 24 is integrally molded by a small resin, for example, a fluorine resin of the friction coefficient. Axis 24b of Kiritena 24, as well as fitted into the coil spring 23 is inserted into housing bore 11 of the synchronizer hub 6. Therefore, in the neutral position of the synchronizer sleeve 7, without the coil spring 23 presses the key 13 to the obliquely curved, it is possible to prevent the drag phenomenon. In addition, Kiritena 2 Since the friction coefficient of 4 is small, the key 13, or sleeve 7 But to move smoothly, shift feeling is improved.
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