The gear hanger, or bike dropout is a small tab of metal on the drive side of the bike near where the rear wheel is anchored in the frame. It is easily bent in a crash. If the frame is made of aluminium it's not possible to bend it back safely. To avoid writing-off a whole frame in a minor fall aluminium frames for derailer bikes have gear hangers that can be detached and replaced.
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00:06 Step 1 - Detach Wheel
Remove the back wheel.
00:12 Step 2 - Unscrew
Unscrew the rear derailer from the bike dropout. It may be easier to dismount the gear-cable before you do this.
00:44 Step 3 - Remove Bolts
Unscrew the bolt, or bolts, that hold the bike dropout to the frame.
01:31 Step 4 - Type Of Bike Dropout
There are many different shapes of replacement hanger so you need to keep the old one for reference. A good place to start is the shop where you bought the bike, or a dealer who sells the same brand of bikes. It’s also helpful if you know the year, make and model of your frame.
01:50 Step 5 - Replace
Once you have a replacement bike dropout bolt it on in the same position.
02:40 Step 6 - Re-mount Derailer
Screw the rear derailer into the bike dropout.
03:29 Step 7 -
Remount the gear cable.
04:04 Step 8 -
Replace the rear wheel in the bike.
#BikeRepair #HowTo #BicycleMaintenance
8 окт 2014
