All Balls Racing Chain Roller Lower 79-5016

All Balls offers a complete line of OE replacement and universal chainrollers along with a complete application guide. The universal 34mm and38mm Polyurethane chain rollers have a 98A Durometer hardness for long lifeand feature sealed precision bearings with two additional outer seals toprevent water and dirt from contaminating the bearings. They are thelongest lasting chain roller in the industry. The OE replacement chainrollers that mount directly to a frame boss are made from hi-performanceself lubricating nylon.Quality design and construction of every All Ballspiece meets the toughest standards and conditions - from daily commuting tofull-on racing, all older bearing and seal designs are upgraded to the bestand latest specs and designs.