RK 520 MXU Narrow X-Ring Motocross / Enduro Racing Drive Chain Gold 520MXUGB 120 (ZJ) Triumph_1200 Scrambler XC (19-22)_2022 D (17D6/7/8) 2010-2013 Yamaha YZ250

D (17D6/7/8) 2010-2013 Yamaha YZ250 FX-F

4PX9) 2003-2004 Yamaha TT250 R - France 1995-1996 Yamaha TT250 R 1993-1995 Yamaha TT250 R 1996-1998 Yamaha TTR230 T

The XW-Ring technology is combined with RK's premium quality chain

7 Expert 2005-2007 Honda MTX80 RSD (HC08) - Germany 1983 Kawasaki KX100 B1-B6 1991-1996 Kawasaki KX100 B7 - USA 1997 Kawasaki KX100 B7 1997 Kawasaki KX100 C1 1998 Kawasaki KX100 C2 - USA 1999 Kawasaki KX100 C2 1999 Kawasaki KX100 C3

RK 520 MXU Narrow X-Ring Motocross / Enduro Racing Drive Chain Gold 520MXUGB 120 (ZJ) Triumph_1200 Scrambler XC (19-22)_2022 D (17D6/7/8) 2010-2013 Yamaha YZ250One of the lightest Sealed Ring enduro motocross chain available on the market today. Made for the professional enduro motocross racers, Next generation of enduro motocross racing chains featuring RKs only technology of Ultra Thin Seal, U Rings or UW Rings. Features UW Ring which extremely improves the chain life and lower friction, providing high performance under enduro races especially muddy condition.