team losi kevlar spur gears

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these have been out for a decent amount of time. has anyone bought them and are they worth it?

secondly. the spur gear i have atm seems to float a little and isnt "even" on the bar it spins on so i can't really explain it better then that.. is that normal?

 

[highflyin]

The team losi kevlar spur gears are supposed to run smoother.

 

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are they worth it?

 

[Diver6127]

I'll let you know when I take my XXX-S to the track. It came with kevlar gears when I bought it used.