fork spring 叉式弹簧

oscillation angle of spring fork 弹簧叉架摆动范围

speed shifting fork spring 变速叉弹簧

operating fork return spring 分离叉回位弹簧

fork retraction spring 叉子回位弹簧

clutch release fork return spring 离合器分离叉复位弹簧

shift fork positioning spring 拨叉定位弹簧

clutch release fork retracting spring 离合器拔叉回位簧

fork spring guide 车叉弹簧座