This is a replacement hydraulic clutch master cylinder brake pump handle with M10x1.0 thread specification.It is compatible with the following motorcycle models: SX, SXF, XC, XCF, XCW, EXC, and SMR in displacements of 125cc, 150cc, 250cc, 300cc, 350cc, 450cc, 500cc, and 530cc.It fits EX 250 (2022–2023), EX 300 (2021–2023), EX 250F (2021–2023), EX 350F (2021–2023), EX 450F (2021–2023), MC 125 (2021–2023), MC 250 (2022–2023), MC 250F (2021–2023), MC 350F (2022–2023), MC 450F (2021–2023), FC 250/350/450 (2014–2015, 2022–2024), FE 250 (2013–2016), FE 350 (2013–2016, 2024), FE 350S (2015–2016, 2024), FE 350W (2024), FE 450/501 (2013–2016), FE 501S (2015–2016), FR 450 (2017–2024), FS 450 (2015, 2022–2024), FX 350/450 (2022–2024), TC 125 (2022–2024), TC 250 (2014–2016, 2022–2024), TE 250 (2011–2016), TE 300 (2011–2016, 2024), TX 300 (2022–2024), SX 125 (2016–2024), SX 150 (2016–2022), SX 250 (2006–2024), SX 300 (2023–2024), SXS 250 (2006–2007), SX-F 250 (2007–2024), SX-F 350 (2011–2024), SX-F 450 (2013–2024), SXS-F 250 (2007–2008), XC 125 (2021–2024), XC 250/300 (2006–2024), XC-F 250 (2007–2024), XC-F 350 (2011–2024), XC-F 450 (2013–2024), XC-W 125 (2017–2019), XC-W 150 (2017–2024), XC-W 250/300 (2006–2024), XC-W 400 (2009–2010), XC-W 450 (2008–2016), XC-W 500 (2012–2016), XC-W 530 (2008–2010), XCF-W 250 (2006–2016), XCF-W 350 (2012–2016, 2020–2022), XCF-W 450 (2023–2024), XCF-W 500 (2020–2022), XW-F 350/500 (2024), EXC 150 (2020–2024), EXC 250/300 (2006–2024), EXC 400 (2009–2011), EXC 450 (2007–2016), EXC 500 (2012–2016), EXC 525 (2007), EXC 530 (2008–2011), EXC-F 250 (2006–2024), EXC-F 350 (2012–2024), EXC-F 450/500 (2017–2024), and SMR 450 (2013–2014, 2021–2024).Installation requires appropriate tools and mechanical knowledge.