Bent Derailleur Hanger

Bent derailleur hanger if your rear derailleur is shifting poorly not staying in gear and appears to be bent or out of alignment check first whether the derailleur hanger is bent.

Bent derailleur hanger.

If the hanger is bent the mech cage won t line up with the chain. We already know that any fall on the trail or the road can cause a derailleur hanger or even worse a derailleur itself to get bent. It is often possible to repeatedly re bend many derailleur hangers. Next make sure to not over torque the rear derailleur as this could misalign the hanger again.

Bent wire and hanger bolts in san diego california come in a variety of shapes sizes and materials what exactly are bent wire and hanger bolts bent wire bolts are highly versatile and used in many applications. Make a note of the direction it needs to be adjusted. This is because there is very little stress from riding the bike or shifting gears. However most of the time you won t even know it happened.

Keep in mind that your derailleur s high and low limit screws will likely need to be readjusted as well as the cable tension. The first step when straightening a hanger is to remove the derailleur from the hanger. As long as it s only a few degrees off you should be able to straighten it. A common cause of a misaligned hanger is from the bike falling over to the right side.

This pushes the derailleur body inward bending the hanger. The derailleur hanger is the mounting point for your rear derailleur and almost all are designed to be sacrificial parts that will bend or snap in a crash or sometimes even if your bike just falls. To check your work eyeball the alignment first and then thread your derailleur back into the hanger and use the policing cage as a guide that you can compare to the cogs above it. They come in several common designs and can also be available in semi standard and even custom designs.

If the bolt for the derailleur mount gets bent you won t be able to thread your tderailleur back into the hanger. The hanger is designed to be pliable enough to bend during a crash preventing damage to more expensive parts. There are many ways in which it can happen. How to realign a bent derailleur hanger.