KTM-VIBRASTOP KTM bikes with 14mm ID handle bars; to be used with OEM plastic hand guards. Custom product order. Please enquire via email with your motorcycle make – model and year of production. Specifically designed for the KTM 690 – KTM950 – KTM990. Kaoko Throttle Controls. Ultimate throttle control product – ideal aid to comfort and an assett to servicing.