BK-5059 - 3/16 (0.1875) Grade 5 Steel Balls - 50 pieces TH-873 ACB 6808 CC SXD 1-1/2

ACB 6808 CC SXD 1-1/2 XD15 Angular Contact Headset bearing (40mm x 52mm x 6

The most common use for this bearing is as a direct replacement bearing for BB30 and PF30 type BBs with SRAM DUB cranksets

XD15 Ceramic-Hybrid

BKC-0856 - TorqTite

Bottom Bracket for BSA framesets and Shimano (24mm) Cranksets

BK-5059 - 3/16 (0.1875) Grade 5 Steel Balls - 50 pieces TH-873 ACB 6808 CC SXD 1-1/2BK 5059 3 16 (0. 1875) Grade 5 Steel Balls 50 pieces Loose ball bike parts are still out there, so Enduro carries the loose balls you need to complete the job. Grade 5 balls meet or exceed 5 1,000,000 tolerance of sphericity and is considered extremely round, to the point that races can't be ground to match that level of precision. This is the same level of ball that is found in Enduro ABEC 5 bearings. Only a few years ago, Grade 25 would be