KTM Ultralight Rear Sprocket by Renthall 488U-520-43PHA Kettenrad Corona

WR450F 2004 REAR SPROCKET 45T ULTRA LIGHT WEIGHT MXPUK 2004 WR 450F RENTHAL S921

KTM Ultralight Rear Sprocket by Renthall 443U-525-42PHA Kettenrad Corona

Renthal Sprocket R 525 41T HA 184U-525-41PHA

KTM Ultralight Rear Sprocket by Renthall 471U-525-41PHA Kettenrad Corona

YZF250 2011 REAR SPROCKET 45T ULTRA LIGHT WEIGHT MXPUK 2011 YZF 250 RENTHAL S921

YZF450 2009 REAR SPROCKET 45T ULTRA LIGHT WEIGHT MXPUK 2009 YZF 450 RENTHAL S921

YZ125 2017 REAR SPROCKET 45T ULTRA LIGHT WEIGHT MXPUK 2017 YZ 125 RENTHAL (S921)