RudeBits 1/8 Tungsten Carbide Diff Balls (12)
Most popular in the Serpent cars but obviously fit many others
- 12 in a pack
- High quality – Grade 7
- Extreme smooth action
Once used, never will you chose any other diff ball
For your reference:
ABEC 1: 0.0075mm (0.000295″) is the most crude, the least precise, and the cheapest available. Many diff balls and bearings are sold with this grade.
ABEC 3: 0.0050mm (0.000197″) is what is mostly know as cheaper range. Won’t roll very smoothly or fast. Many diff balls and bearings are sold with this grade.
ABEC 5: 0.0035mm (0.000138″) these are a good grade. Great for bearings and diff balls but not the best for ball diffs.
ABEC 7: 0.0025mm (0.000098″) the best for any ball diff and over the top for bearings. Very fast and super smooth, but much more expensive. Extremely rewarding in RC diffs as very smooth and very long lasting.
ABEC 9: 0.0012mm (0.000047″) The highest grade available but ridiculously expensive and could never be justified in RC whether bearings or diff balls
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