50MM AXLE BEARING 80MM FREESPIN THREE PACK SET SB208-50/ZZC4 This means when you screw

This means when you screw the 1/8 BSP threads into the caliper and Master Cylinder you can tighten them until they are correctly sealing on the threads

Keeps foreign objects and dirt from entering the engine

2 x 8x50mm countersunk capscrews

And that the sizes varied so much

50MM AXLE BEARING 80MM FREESPIN THREE PACK SET SB208-50/ZZC4 This means when you screwGO KART 50MM AXLE BEARING 80MM FREESPIN THREE PACK BEST RACE SET SB208 50 ZZC4 Branded UBC for the Australian Importer in the Hi Tech F. A. G. factory with the STRICTEST quality control. Please find here the very best 50mm free spin go kart Axle Bearings. This set of three bearings per lot feature the latest three grub screw locking system. They will ensure that the bearing is centrally located on your axle. This prevents an out of round situation