SPROCKET – “B” TYPE, STEEL, #35 CHAIN, 5/8″ BORE, 3/16″ KEYWAY, 5/16-18 SET SCREW, 21 TOOTH
$16.95
Made of case-hardened steel and hobbed teeth, “B” Type Sprockets have a hub on one side only. Unless otherwise noted, “B” type sprockets have two 5/16-18 set screws.