Park Tool Cassette Lockring Tool with 5mm Guide Pin (FR-5.2G) size-2xs-xs Nano Tech Formula cleans on

Nano Tech Formula cleans on a molecular level

And it’s lighter than comparable systems too

Keep pushing until the locking rick is hand tight and the rubber o-ring squashes out

Back Exhaust Ventilation: Back Exhaust Ventilation allows warm air inside the garment to escape

Park Tool Cassette Lockring Tool with 5mm Guide Pin (FR-5.2G) size-2xs-xs Nano Tech Formula cleans onAbout Park Tool Cassette Lockring Tool with 5mm Guide Pin (FR 5. 2G) A version of Park Tool's dependable FR 5. 2 with an added 5mm guide pin for added stability when removing lockrings from quick release hubs. Designed for 12 spline 23. 4mm diameter tool fittings the most common tool fitting found on 7 12 speed cassette lockrings, and can also be found on some disc brake lockrings. Made from heat treated alloy tool steel. Features Fits 12 spline