Monday Mechanics: How do I check for possible play in my Pivot Bearings?

Published:    25th May 2025 Written By:   Janice

Monday Mechanics: How do I check for possible play in my Pivot Bearings?

Last week, we spoke about corroded bearings and how you can tell that your bearing(s) is(are) corroding; this is, usually, by way of loud grinding noises coming from your bike.

What we haven't covered, so far, is how to check your bearings for play; another sign that your bearing(s) need replaced.

If you look at our Bike Brand pages such as for Trek, you can see that they detail recommendations for checking your bike bearings and replacing them (our Subscription Plans are designed to be in line with these recommendations), with most Brands recommending that you check for play before every ride. Why? Because, if your bearings fail, you can irreparably damage your bike or worse, do yourself an injury.

So, if you're not a bike mechanic or a DIY cycling enthusiast, how do you do this?

 

Phase 1 - Quick Check Before every ride

Saddle Check

With your bike on the ground, lift your saddle slightly to see if there's any movement; if there's play, you'll feel the movement here.  That's not to say that it's, definitely, your pivot bearings so, now, its a process of elimination.

First thing to check is your Shock eyelet inserts. These are designed to wear so that your shock doesn't wear.  If the shock eyelet inserts are worn then the play could be coming from here and not your bearings. If these eyelets look okay, then chances are it's your bearings.

(NOTE: If you have a dropper post, some slight movement in that may, also, be confused for bearing play so double check that, too)

 

Back-End Check

Hold the front half of your frame with one hand and hold the back end of your frame with the other.  Move the back end of the bike from side to side to check for play.  As with the saddle check, this doesn't necessarily mean that it's your bearings that are the problem; the play could be a result of play in the hub (so, firstly, check this for movement) and, also, could be an issue with the spoke tension in your rear wheel (so, check that your spokes are as they should be).
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