It’s all too common to just tolerate inferior shifting performance. But if your drivetrain occasionally skips, mis-shifts, grinds or binds, then it can surely be better.
While this article isn’t a complete solution to perfect shifting, these are the problems shop mechanics are likely to resolve first.
It’s worth pointing out that the solution to each suggested cause requires some level of mechanical knowledge. If it’s not working out, it’s well advised to get the assistance of a good mechanic – after all, what’s the point of owning a quality bike that doesn’t function as intended?
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Related: Home Wrench – Dave Rome's collected workshop ramblings
Cable tension and limit setting
The most obvious and common causes for poor shifting are down to poor adjustment and the most common thing to go out of adjustment is cable tension. Indexed drivetrains rely on correct cable tension so that the shifters pull the derailleur to the intended spot. Cable systems wear and ‘stretch’, and will inevitably lead to a loss in shifting precision.
In the simplest of terms, sluggish upshifts can be caused by too little cable tension; while slow downshifts could be too much tension.
- Related: How to adjust the gears on your bike – video
- Related: How to adjust a rear derailleur
- Related: How to adjust a front derailleur
If the cable ain’t slick, give it the flick
Rear derailleur alignment
Chain health, lubrication and cleanliness
Housing lengths
Front derailleur position
Just worn out?
It could be the frame
That chain line
Perhaps you’re just doing it wrong
You can read more at BikeRadar.com
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