KRYPTONITE CERAMIC BEARING KIT /ABEC 9 GRADE

KRYPTONITE CERAMIC Bearing Kit. Includes (4) 3/16 x 3/8 Unflanged and (2) 10 x 15 x 4 Ceramic Bearings. Oil Lubrication for less rolling resistance than standard greased bearings. Oil Lubrication for less rolling resistance than standard grease-filled bearings. ABEC 9 GRADE: Our highest grade offered - Increased performance and durability than an ABEC 7.