Park Tool Cassette Locking Tool with 12mm Guide Pin Smart X-GlideR™ chainrings feature thicker construction

X-GlideR™ chainrings feature thicker construction and advanced shift timing pins and ramps

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CatEye brand HR-12 Heart Rate sensor* Also works with other brand Speed

20" (56 mm)

Stand-alone design to allow use with various brake options

Park Tool Cassette Locking Tool with 12mm Guide Pin Smart X-GlideR™ chainrings feature thicker constructionPark Tool's FR 5. 2GT Hyperglide Lockring Remover with Pin is the latest iteration of the FR 5 and was designed for 12mm diameter thru axle hubs . This proven, though simple design adds a 12mm alloy Guide Pin to enable cyclists and mechanics to quickly and precisely remove and install cassette lockrings from Shimano, SRAM, SunRace, SunTour, Chris King and others. The deep section, 12 spline, 23. 4mm diameter tool face meshes with nearly every cassette