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520 conversion

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who switched to 520 and how do you like it? i am worried that the chain will break. i really want to gear way down on my dirt setup and i see there is a 52 tooth rear in the 520. i have to get new chain and sprockets one day and am thinking about only having 520. i want 14 15 16 fronts and. 42 and 52 rear. i have 2 sets of wheels

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I just switched but only have 40 miles on so I cant really say what I think of it. I ordered the 525 but the 520 was shipped to me so I put it on (was only charged for the 520). Anyway do a search on 520 in the dr only section and you find sveral discusions on the topic.

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Regarding the fact, that bikes like a KTM 530, Husaberg 570 and so on ALL have 520-chains stock there really should be no problem with chain-size. I´d just recommend not to take the cheapest chain for a thumper of noticeable torque ...

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A 520 chain and sprockets are plenty strong for a big thumper but they will wear faster than a 525 set-up. Remember you can't run a 520 chain on 525 sprockets... the pitch is the same but the 525 sprockets are wider. IMO if you don't need a 520 set-up for a particular gearing need it's better to stick with the 525 set-up for longevity. And as el captain said don't buy any cheap junk chains regardless of price... you'll pay for it many times over in the end.

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Some of you might not know what the number mean? The numbers refer to eights of an inch.

The first 5 refers to 5/8th of an inch, center to center between the pins.

The next 2 numbers refer to 2 X 1/8th of an inch width of the roller. The 525 is 2 X 5/8th of an inch in width or 2/8th plus .5 X 1/8th or 5/16 in width total of the two. The 520 refers to 5/8th of an inch center to center of the rollers and 2.0X 1/8th of an inch in width or 2/8th or 1/4 inch.

A 525 chain can be run on a 520 sprocket but it wears quicker

Strength should be the side plates not the width.

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