this post was submitted on 10 Feb 2025
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Any bikengineers know what I might've done wrong? (hexbear.net)
submitted 1 week ago by ProfessorOwl_PhD@hexbear.net to c/askchapo@hexbear.net
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Chain broke while commuting the other day - I managed to repair it at the time with a quick link, but the new link seems to be catching slightly when going through the derailleur. Every 4ish rotations of the pedals there's a very brief sound like I'm freewheeling, and the derailleur starts pulling back when in top gear, but I can't replicate any of it when the wheel's off the ground.

Might just be a dodgy quick link causing problems, but does anyone have suggestions while I wait for new ones to arrive?

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[–] enkifish@hexbear.net 2 points 1 week ago (1 children)

If you articulate the chain around the link, does it feel "stiff"? If so, but a little lube around the link and continue articulating the chain. It is important to do this both up and down (the direction the hinges are supposed to move) but also side to side. The side to side motion will force lube into the joints.

[–] ProfessorOwl_PhD@hexbear.net 1 points 1 week ago (1 children)

I had not done side to side, so I'll give it a go, but I suspect can might be right that it needs new parts...

[–] enkifish@hexbear.net 2 points 1 week ago* (last edited 1 week ago)

Oh yeah, that mostly to just get you going. Like that other guy said, if your chain broke, your entire drive chain is probably worn out, or maybe you're superman. The entire drive chain tend to wear out together, and the worst part tends to wear out the others faster. In the future, get one of these doohickeys, check your chain 1/month and replace your chain whenever it tells you to. As always, sheldon brown is informative on this topic.