47 Comments

  1. One of my pedals that is very similar to this one in design seized up leaving the parking lot to go ride a few years ago. I repacked it with sunscreen and a bit of chapstick. I've put many thousands of miles on it since and had almost forgot about it until now. Would be interesting to take both of those apart and see how the trail repair one has held up.

  2. I'm a mechanic and I love fixing things in general doesn't really matter what it is. Anyways enjoyed this video I had no idea what went on inside of a bicycle pedal.

  3. I used to do maintenance on my pedals but the story repeat itself in a heartbeat, after a few months they are back to free spinning as if i never did anything. I stopped because there is no benefit, this is not a part that need precision rolling like a wheel with disc brakes need.
    But i would still recommend that if the pedal feel crunchy to turn, absolutely do the maintenance. The one in this video is fine before maintenance.

  4. havent had maintenance issue on my pedals since using pedals exclusively with sealed carttridge bearings.. my vaults have been on my 06 stumpy for over a decade, done thousands of mile.. zero anodising left on the edges. bearings are still fine and unserviced.

  5. I'm curious. Why does it turn more before greasing than after? Doesn't it mean the greasing had a negative effect? It's weird because you can head less metal on metal friction

  6. There is a mistake here: while tightening the last contra nut, the main nut should have been stabilized with a large flat screwdriver, if you don’t have the special wrench. Here it is obviously over tightening, as far as I understand from the free rotation speed and the sounds.
    Every bearing needs a slack for the grease layer. Too tight hurts the balls!

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