Bones Speed Cream is a high temperature, low viscosity synthetic Bearing lubricant specially formulated by Bones to reduce friction, and provide a durable micro film of lubricant to protect against corrosion. We have found this lubricant to be superior to Teflon based lubricants in riding environments. Speed Cream R.F. makes your bearings faster and is very long lasting. Cop a bottle today and extend the life of your bearing forever.