General technical support and advice Islabikes
30/04/2012 · I just had this happen on my Giant Reign 2 mountain bike. Derailleur busted, hanger bent. Most hangers are made of a softer material so they bend before your frame does.... 21/05/2011 · Though looking at these photos, I'm wondering if it's the derailleur itself that's bent? Is there an easy way for me to check this without splashing out unnecessarily on hanger alignment tools? The derailleur hanger is a shimano megarange job, whereas the mountain bike is a shimano alivio.
UNIVERSAL DERAILLEUR HANGER INSTALLATION Problem
A longer-than-normal rear hanger, one with greater than average offset, a hanger with a stop tab angle of greater than 35 degrees (see page 32-19, again), an extra-long B-screw, or a rear derailleur with a longer knuckle than is common on road derailleurs will be required in order to move into the 36T cog.... The more common problem with bent derailleur hangers is that indexed shifting systems require the hanger to be parallel to the plane of the rear wheel. If not, then the lateral distance per shift that the derailleur moves the chain will be less than the exact cog-to-cog spacing. Consequently, the system loses shifting accuracy, often at one end or the other of the cassette range. Perhaps, the
sram red rear derailleur cage motion question Weight Weenies
A bent hanger will not hold the derailleur in the right position to shift gears correctly. You may be able to bend it back yourself but it is best to get a shop to attempt this or just buy a new 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. The derailleur hanger is the piece of metal that the rear derailleur attaches to near the rear axle.
Bent/damaged dropout & derailleur hanger on Colnago C40
6/05/2013 · Kinda hard to tell but its bent enough to go into the spokes on first gear. I ordered in a new hanger + a spare hanger bolt from a LBS. Should be in by Wednesday or Thursday. I …... 2/08/2016 · I took off the RD and the derailleur hanger and compared the hanger to an extra from my mountain bike (which looks similar in shape). On a completely flat surface, I can't detect any differences between the two and everything seems to be flat with no bends in the surface of the hanger.
How To Tell If Derailleur Hanger Bent
Replaceable Derailleur Hangers Clever Design or Achilles
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How To Tell If Derailleur Hanger Bent
9/05/2009 · It doesn't look bent to me, what would I know, but the shifting was crappy before the guy had a look at it and adjusted the derailleur. there isn't really much else to the story. I fell on the derailleur side of the bike, took it to the shop the next day and that's what he told me.
- 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. The derailleur hanger is the piece of metal that the rear derailleur attaches to near the rear axle.
- Îïóáëèêîâàíî: 15 äåê 2016 ; I show how to repair a stripped derailleur hanger using a "Dropout Saver" from Wheels Manufacturing. I also discuss several other possible methods for fixing a stripped derailleur hanger.
- It believe you when you say it's really busted up. However it is also really tricky to tell if the hanger is bent too, so better check it since that part is actually made to give in before anything else.
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