RING 1555CS 39.50mm WISECO

Part No. 56-R021.WI (phoenixmotos.com)
KTM 50 SX (2009 - 2014),
KTM 50 SX Mini (2013 - 2014),
KTM 50 Mini Adventure AC (2002 - 2008),
KTM 50 SX LC (2001 - 2008),

WISECO PISTON RING 39.50mm BORE.
Cross reference numbers ONLY. 1555CS