BKC-0023 - 1/8 (0.125) Grade 5 Si3N4 Ceramic Balls (50 pieces) 428420 Inner Race Width - 33mm

Inner Race Width - 33mm

A radial Bottom Bracket Bearing featuring 52100 High-Carbon Chromium alloy races paired with Grade 5 Balls with 90% fill

Static load - 890lbf / 3

Inner Race Width - 31

Bottom Bracket for T47 Framesets and Shimano 24mm Cranksets

BKC-0023 - 1/8 (0.125) Grade 5 Si3N4 Ceramic Balls (50 pieces) 428420 Inner Race Width - 33mmBKC 0023 1 8 (0. 125) Grade 5 Si3N4 Ceramic Balls (50 pieces) The ultimate upgrade for your rolling components, Enduro Ceramic Balls are made from pure Silicon Nitride material (Si3N4) with extreme high density from uniform compaction (3. 25 g cm3), the micro structural elements of this material is second to none. There are quite a few different materials used for ceramic balls and races in the Industry, at Enduro we only use the best, Silicon Nitride