The Mainspring (59/61) 63-66-69-225 damp. w. - 91010350 reflects KTM’s racing heritage, delivering precise performance and unmatched reliability. Genuine OEM parts keep your bike at peak condition.
⚠️ WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
Learn more.
Choosing a selection results in a full page refresh.
