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While the engine is hot
Engineered to reduce the 'flutter' common with single-stage reeds
XL883R Roadster 2013
Heat-treated construction ensures maximum longevity and structural integrity
YZF1000R Thunderace
JT Sprockets Front OE Steel T11 #520 JTF431.11 size-hj-42-rpha12 While the engine is hotJT Sprockets the Worlds No. 1 market of aftermarket sprockets. Why? JT Front Sprockets use SCM415 Chromoly Steel and are fully heat treated. Nearly all cheap front sprockets are only surface hardened. Once the hardened surface is worn the sprocket life is diminished. Every JT sprocket is made the right way, by hobbing, machining and drilling. This is the only way to achieve the closest tolerances and the best tooth profiles. And every sprocket goes
