DID Heavy Duty Gold 520 DZ2 Chain and Black JT Steel Rear Sprocket Kit to fit KTM 250 SX-F. This kit includes: 1 x DID heavy duty 520 DZ2 x118 link gold/black chain with split link, 1 x case hardened steel front sprocket and 1 x JT black hardened steel rear sprocket.
eBay