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Ships within 48 hours · Estimated delivery Nov 11 - Nov 16
MR 20307 LLB - ABEC-5
440C stainless steel balls and races provide long life and superior corrosion resistance in applications and environments that may be less than ideal
This complete bottom bracket features Angular Contact
Like most BBs
BKC-0031 - 7/32 (0.21875) Grade 5 Si3N4 Ceramic Balls (50 pieces) 428420 MR 20307 LLB - ABEC-5BKC 0031 7 32 (0. 21875) 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
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