Description
Ceramic Hybrid Wheel Bearings Select Your Bearing Size:25 x 42 x 9mm "Standard" Wheel Bearing Milled keyway grooves for 6mm Size:X Large (XL) MA 20 They are rather heavy 10 GK2 Milled keyway grooves for 6mm or 8mm width keyways and a reinforced and slotted area for mounting the rear bumper to the bumper uprights on your kart