Enduro BK-5047 - 5/16 (0.3125) Grade 25 Steel Balls - 100 pieces

BK-5047 - 5/16" (0.3125") Grade 25 Steel Balls - 100 pieces

Regular price$9.13
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BK-5047 - 5/16" (0.3125") Grade 25 Steel Balls - 100 pieces

Loose ball bike parts are still out there, so Enduro carries the loose balls you need to complete the job.

Grade 25 balls meet or exceed 25/1,000,000" tolerance of sphericity and is considered extremely round. Only a few years ago, Grade 25 would be considered a very high grade ball, used only in the best hubs and bottom brackets. Today, Enduro's entry-level ABEC-3 bearings feature Grade 10 balls and then Grade 5 or Grade 3 as you go up in price and performance.

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