If you're really into riding long road distance or extreme mountain conditions, a special lube can make all the difference in the world. By mixing metal friction reducer technology with more persistent carriers, ProGold Xtreme Chain Lube can last very long distances on the road or extreme off-road conditions. MFR bonds to metal surfaces and resists build-up and tackiness, and also sheds water like no other. Heavier lubricant carriers lasts longer and protects better Bonds to metal surfaces.