Polyurethane roller with 98A durometer hardness for long life
Precision contact sealed bearings keep water and dirt away
Rollers PART #s 1231-0037, -0039, -0040, -0041 do not use a bearing, but ride directly on the frame boss; these rollers, made from Delrin, are self-lubricating and offer significant improvement over OEM
PART #s M795-00 and M795-10 are available in colors