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Post by xybadog on Jul 25, 2008 12:32:16 GMT
The cartridge bearings are a sealed unit. They're pretty much service free, but do create more "drag". If you're not a pro or not too bothered about performance then thye're a great option. When you take the headset, or hub etc, apart you don't have lickle steel balls flying all over the shop. Like this Clicky
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