Park Tool FR-5G Cassette Lockring Tool with Guide Pin Go to amazon.com Related posts The 10 best park fr-5 for 2022 FeatureFits Shimano, SRAM, SunRace, SunTour, Chris King and other cassette lockrings.Also Fits Shimano disc brake lockrings. Guide pin stabilizes tool. DescriptionFits Shimano, SRAM, SunRace, SunTour, Chris King and other cassette lockrings. Also Fits Shimano disc brake lockrings. Guide pin stabilizes tool