06Nov

Importance of chain slack

One thing I do when setting up a bike is check chain slack.  What the heck does chain slack have to do with suspension?!?!? Quite a lot!

The biggest thing I see is a chain that’s too tight.  When the chain loses all it’s slack it becomes ridged like a piece of steel and stops the swing arm movement dead in it’s track! Once this happens the tire starts doing the job of the suspension and starts to destruct. And worst case you lose traction and end up on the side of the track or street.

chain slack

On the flip side a loose chain can be just as bad.  When decelerating the chain has the ability to jump the sprocket and come off.  This can have disastrous results for the rider.  Check out this video of a rider with too loose slack.

So how much slack is right?  When in doubt always check your owners manual, it will give you the proper amount and how to check it.  Also check your chain regularly, they will stretch over time.

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