Introducing the Grease Puck! The most effective tool on the market to grease your lower steering stem bearing. The patented design uses o-rings to seal against the top surface of the bearing and forces grease between the inner and outer bearing cages, ensuring you get a fully packed and greased bearing. Makes a miserable job into an enjoyable routine maintenance item. The Grease Puck makes quick work of greasing your steering steam bearings and doesn't make a giant mess while doing it. Made from billet 6061 aluminum and finished with a black anodize, our products hold up to repeated use and abuse. Knurling on the Puck provides a solid grip, even if your hands are greasy. Works on all Japanese model bikes 125cc and up.