No more mess and lost bearing needles when greasing your dirt bike's linkage and swingarm bearings. Use these grease gun adapters to grease your bearings with ease and no mess. Includes 3 different adapters - 18mm, 20mm, and a 22mm. Fits linkage, swingarm, and lower shock bearings on all Japanese and Austrian dirt bikes. Universal 1/4-28 45 degree zerk fitting to allow all grease guns to get into tight spaces (like between swingarm bearings). Requires a grease gun (not included) 3D printed from tough PLA filament