Grade 300 loose balls are inexpensive and an acceptable replacement for most OEM loose bearings, on low to Medium quality componentry. Sold in bottles for easy dispensing
Ultegra Quality
Easy to use dispenser bottle
Specifications
Bearing Grade
300
Bearing Size
1/4"
UPC
836572000960
MPN
BALL-5B
Tree Fort ID:
333222341781
Review Summary
LIKES
Convenient Bottle (1)
WORKS FOR
Non-machined Surface (1)
DISLIKES
Spout Cap Too Small (1)
5.0 GEARS 1 review
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Customer Questions
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If you wonder, "should I buy grade 300 or grade 25 bearings"? The simple answer is if your cup or cone is not machined, then use grade 300, if both cup and cone are machined then use grade 25 or better.
It works like a golf score, the smaller the number the better.