Maxima Racing Oils 50-01901 5wt V-Twin Fork Oil - 32 fl. oz. Maxima V-Twin Fork Oil is a blend of premium quality, ultra-pure base oils and surface active additives that provide excellent lubricity, control foaming and protect the suspension system against corrosion Special Lubricinol formula conditions seals and protects moving parts While reducing friction Enhances fork performance over a wide operating temperature range Advanced detergents provide ultra-clean operation and protect suspension systems from wear, deposits and allow for trouble-free operation Available in 5wt, 10wt, & 20wt