The esjot standard 520 sprocket for yamaha ttr230 2005-2026 rear black 49t is part of the latest collection from esjot.Features: esjot sprockets have been specially developed for the high oem requirements and are among the best on the market worldwide. A special steel, a special coating and precise toothing using the diamond cut 2.0 Process ensure exceptionally high quality and durability. Optimally suited for wear-intensive conditions in all areas. Concentricity and axial run-out tolerances of less than 0.1 Mm. Made of high-quality and high strength, finished with a special surface treatment. 100% Made in germany. Specifications: color: black material: steel qste460 pitch: 520 position: rear product name: sprocket teeth: 49 type: rear units: each to fit: honda xr 250 r 1984 all models honda xr 250 r 1985 all models honda xr 250 r 1986 all models honda xr 250 r 1987 all models honda xr 250 r 1988 all models honda xr 250 r 1989 all models honda xr 350 r 1983 american models honda xr 350 r 1984 american models honda xr 350 r 1985 american models honda xr 500 r 1981 american models honda xr 500 r 1982 american models honda xr 500 r 1983 american models honda xr 500 r 1984 american models honda xr 500 1979 american models honda xr 500 1980 american models yamaha tt-r 230 2005 american models yamaha tt-r 230 2006 american models yamaha tt-r 230 2007 american models yamaha tt-r 230 2008 american models yamaha tt-r 230 2009 american models yamaha tt-r 230 2011 american models ya...