Belt Drives Ltd PCC-139-118 1-1/8in. Rear Drive Belt - 139T engine-crankcase-components technology and performance

technology and performance

6:1 Compression

Quick and easy adjustment

Nylon cat's-eye outer shell

BMW F650GS 2001-2010

Belt Drives Ltd PCC-139-118 1-1/8in. Rear Drive Belt - 139T engine-crankcase-components technology and performanceFor Custom 1 1 8in. Pulleys Only BDL now offers Gates carbon X3N material for its rear belts. The same brand used by Harley Davidson since 1980 due to its reliability. Teeth on the belts have a slick surface that is easy on pulleys. Outer surface of the Gates belt is ribbed to help with flexibility. Higher reliability due to increased length stability and better pitch. Higher resistance to humidity. Higher tensile strength and robust construction.