How do I make sure rear derailleur is aligned?

Derailleur Hanger Alignment

  1. Begin by mounting the bike in a repair stand with the wheels level as the bike would appear on flat ground.
  2. Loosen the sliding gauger knob and move the sliding gauge to contact rim and secure knob.
  3. Slide gauge bracket toward hub before rotating arm.

Which derailleur should be adjusted first?

In a nutshell, adjust the front derailleur first, then the rear. If the derailers just need minor tweaking (they are basically in adjustment but are “not quite right”) then you adjust the one that is obviously wrong, check the overall adjustment again, then again adjust what needs adjusting.

How much does it cost to fix a bent derailleur?

If you take your MTB into a local bike shop the average price to replace a rear derailleur is going to be $110. If you DIY replacing a derailleur will cost about $50 (plus your time) This price will depend a lot on the actual derailleur needed. Usually a bike shop will also take care of other problems.

What to do if your rear derailleur is out of alignment?

If your chain doesn’t move when you shift, or it skips cogs, your rear derailleur may be out of alignment. Hop off your bike and do this: Shift your chain into the biggest chainring and smallest cog, then loosen the cable clamp bolt (where the cable attaches to the derailleur).

Is there a gap between the chainring and the front derailleur?

Check that the front derailleur is parallel to the chainring, and there is a gap of around 2mm between the top of the largest chain wheel and the bottom of the outer plate of the front derailleur. If not, loosen the fixing clamp and realign the derailleur.

Where is the adjuster on the rear derailleur?

Fine-tune with the barrel adjuster, located where the cable housing enters the rear derailleur. For the best performance, position the guide pulley roughly 6 to 7mm away from the cogs. If your chain skips when you shift to a lower gear, give the barrel adjuster a half-turn counterclockwise. (Tip: Think L for lower and for left turn.) A higher gear?

Which is the highest gear for rear derailleur?

Shift the bike to the highest possible gear. On the rear axle, the lowest gear (1 st) is the largest sprocket, and the highest gear (5 th, 6 th, 7 th depending on how many sprockets are on the cassette) is the smallest sprocket. It is furthest away from the centre line of the bike, or closest to the frame fork.