SpeedX gives long-lasting, heat-resistant lubrication, decreases wear, and extends the useful life of treated items. Skateboards, roller skates, chains, and derailleurs operate smoother, quieter, with greater efficiency, and last longer when treated with SpeedX. SpeedX lubricates better than products with Teflon*. 77001 SpeedX 1 oz. plastic applicator bottle. Excellent extreme-pressure lubricant. Works under heavy loads and high temperatures. Actually polar bonds to the metal surface and will not sling off. Penetrates into sealed bearings. Decreases wear and extends the useful life of treated items_they operate smoother, quieter, and with greater efficiency when treated with SpeedX. Great for in-line skates, skateboards, roller skates, bicycle gears, derailleurs, chain and bearings, and other sports equipment.