Billet machined 6061-T6 aluminum. Gold anodized center section with a gas resistant rubber seal. Large palm grip body for easy spin on and off.This item fits the following vehicle applications:compatible with Honda CR125R 1986-2005compatible with Honda CR250R 1986-2005compatible with Honda CR500R 1986-2001compatible with Honda CR80R 1986-2002compatible with Honda CR85R 2003-2005compatible with Honda CRF100F 2011-2013compatible with Honda CRF100F 2004-2009compatible with Honda CRF110F 2018-2021compatible with Honda CRF110F 2013-2015compatible with Honda CRF150F 2012-2017compatible with Honda CRF150F 2003-2009compatible with Honda CRF150R 2012-2022compatible with Honda CRF150R 2007-2009compatible with Honda CRF150R Expert 2012-2016compatible with Honda CRF150R Expert 2007-2009compatible with Honda CRF230F 2019compatible with Honda CRF230F 2012-2016compatible with Honda CRF230F 2003-2009compatible with Honda CRF50F 2011-2022compatible with Honda CRF50F 2004-2009compatible with Honda CRF70F 2011-2012compatible with Honda CRF70F 2004-2009compatible with Honda CRF80F 2011-2013compatible with Honda CRF80F 2004-2009compatible with Honda XR100R 2001-2003compatible with Honda XR50R 2000-2003compatible with Honda XR70R 1997-2003compatible with Honda XR80R 1985-2003compatible with Kawasaki KX100 1995-2004compatible with Kawasaki KX125 1988-2003compatible with Kawasaki KX250 1988-2002compatible with Kawasaki KX250F 2004compatible with Kawasaki KX500 1988-2004compatible with Kawasaki KX65 2000-2004compatible with Kawasaki KX80 1988-2000compatible with Kawasaki KX85 2001-2004compatible with Suzuki DR-Z110 2003-2005compatible with Suzuki RM-Z250 2004compatible with Suzuki RM100 2003compatible with Suzuki RM65 2003-2004compatible with Yamaha YZ80 1996-2001