DID - 520 ERS3 Race Chain
- The new DID 520 ERS3 race chain is the perfect lightweight chain for the 125-300cc race bikes. Great for club racing or top-level competition on bikes like EX250/300 , KTM 390, and CBR300
- This is a non o-ring chain designed for road or MX racing and Trails on small displacement bikes. (125-300cc) class
- DID's lightest available 520 chain