I noticed this ring on the non drive side of my aspero. Is this a problem? by BirthdayNeat Bicycling Bike Bike Repair Biking Cycling Repair
Terruhcutta on April 21, 2026 11:33 am I’d say not catastrophic, but needs attention sooner rather than later. That’s an o ring to keep debris out if the bearing. If it fell off like that, I’d be more concerned of the tightness of the crankset.
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I’d say not catastrophic, but needs attention sooner rather than later. That’s an o ring to keep debris out if the bearing. If it fell off like that, I’d be more concerned of the tightness of the crankset.