YAMAHA YZ YZF - TTR WR WRF - HONDA XL XR 125 230 250 350 400 450 500 600 R X FX 1983-2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 - PROX Alloy Rear Sproket - Gear Belakang Original 520 48 50 52 T