All Balls offers a complete line of OE replacement and universal chain

rollers along with a complete application guide. The universal 34mm and

38mm Polyurethane chain rollers have a 98A Durometer hardness for long life

and feature sealed precision bearings with two additional outer seals to

prevent water and dirt from contaminating the bearings. They are the

longest lasting chain roller in the industry. The OE replacement chain

rollers that mount directly to a frame boss are made from hi-performance

self lubricating nylon.Quality design and construction of every All

Balls piece meets the toughest standards and conditions - from daily

commuting to full-on racing, all older bearing and seal designs are

upgraded to the best and latest specs and designs.

The universal 34mm & 38mm Polyurethane chain rollers have a 98A Durometer

hardness for long life & feature sealed precision bearings with two

additional outer seals to prevent water & dirt from contaminating the

bearings.