bike wrench

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A place to ask bicycle repair questions, and for bike shop monkeys to share advanced non commercial wrenching resources (no YouTube self promotion). This is only for repair related topics.

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How do you get your shifters to sync properly? (lemmy.world)

submitted 1 month ago by scutiger@lemmy.world to c/bikewrench@lemmy.world

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I've been biking my whole life, but I've never had a bike that shifted properly. Like I've literally bought a bike, and right from the shop, the shifter's clicks don't line up with the gears properly. And then it's a game of going up two clicks and then back down one to get the chain lined up properly.

So how do I get it just right? The bike I have has Shimano twist shifters all the clicks numbered, but the numbers don't line up with the actual gears.

The closest I've gotten it is where it works perfectly when the bike is on the lift, but as soon as there's weight on it, it goes out of sync again.

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[–] psx_crab@lemmy.zip 3 points 1 month ago* (last edited 1 month ago)

Get a better shifter. I've also dealing with this my whole life, local bike shop usually sell those cheap chinese shifter so i have no other option, there's also full of fake stuff online. Recently i saw someone here demonstrated a good derailleur where it did not have any movement at all when you move it left and right. That movement is the one that make sure you're unable to adjust it perfectly, as a bit of movement can throw the chain off-center and shift badly.

What i end up doing is to first adjust the derailleur to the best position possible and have it shift nicely on bench, then ride it, slowly adjust it so it shift nicely, which still isn't shifting 100% reliable every click but that's okay. You might need to do it frequently though.