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0 votes
1 answer
62 views

Play in rear mech

Came off my bike a while back, noticed the indexing was off and drivetrain worn, so replaced the lot. Indexing still off no matter how well I adjust. Inspect rear mech, it's noticably bent, can't ...
1 vote
1 answer
84 views

Derailleur HANGER to replace an old Sunrace with its own hanger

My old folding bike does not have a hanger in the frame for the derailleur. However, it has a SunRace M2T derailleur that includes its own hanger. But I need to replace it, as I replaced the 5-speed ...
1 vote
1 answer
201 views

Are there two types of RD-TY-300 - for standard and direct hangers?

I have a MTB with a mashed up Tourney RD-TY-300, due to a badly rusted chain. I might be able to bend it back into alignment, but seems unlikely, or would require a lot of work and finesse that I don'...
3 votes
2 answers
1k views

Replacing a hanger mount derailleur with a direct mount derailleur

I got a low-quality walmart bike for free in decent condition. I am trying to make it rideable. I have given up on the stock derailleur and bought a cheap shimano tourney direct mount derailleur to ...
2 votes
2 answers
13k views

How can I tighten a loose rear derailleur onto the derailleur hanger?

I have recently tried to install an NX Eagle derailleur on my bike, but I could not tighten it onto the hanger tight enough to firmly fix it, so that it does not rotate around the pivot. In other ...
4 votes
2 answers
854 views

Compatible derailleur/hanger and going 1x

So the green Kona dew plus is my bike. It's an 8-speed with a 11-34 cassette. It came factory with an Alivio 9-speed derailleur. I need to upgrade the rear derailleur because I got hit by a taxi. My ...
3 votes
2 answers
865 views

What kind of rear derailleur is compatible with hanger on my bicycle

I have a Giant OCR (2004). I need to replace the rear derailleur (10 speed long cage - triple front chain ring). I've attached a picture of the hanger. What type of derailleur would work with this ...
5 votes
3 answers
1k views

Can I use a vintage derailleur adapter claw on a modern derailleur

I am restomoding a vintage Hi-C branded Schwinn road bike. There is no derailleur hanger on the drop outs so I am in need of an adapter claw. Can I remove this claw from the old derailleur or is the ...
3 votes
2 answers
395 views

Do I need a Goat Link on a Triban RC520?

I would like to build a 1x road bike with low gear ration for bike touring. I went across this article about mullet drivetrain and it looks like what I want. The Triban RC520 from Decathlon seems like ...
2 votes
2 answers
1k views

Can I put a b-link on a standard mount rear derailleur to fit my direct mount frame?

I have a 2004 Trek Navigator 200 that I'm putting together. It needs a rear derailleur. My Trek frame has a direct mount hanger on it. Do I have to have a direct mount rear derailleur or can I use a ...
10 votes
4 answers
1k views

Are brifters meant to spin/slide on impact, by the choice of a low attachment-bolt torque?

One delicate and valuable part on a bike, the rear derailleur, is attached by a sacrificial part. The derailleur hanger is designed to be weak and to bend on impact, sparing the derailleur and the ...
1 vote
1 answer
668 views

Still skipping cogs when shifting after indexing and replacing shifter

I have been having problems with cogs being skipped when shifting up or down. Heavy pedaling will cause shifting sometimes. To fix this I tried resting the high and low limit screw and reindexing the ...
3 votes
1 answer
2k views

Is it possible that a too tight rear wheel quick release can cause shifting issues?

It seems that is the case with my rear QR/derailleur. If QR is really tight it's impossible to get the shifting quite right. Could it be because of material fatigue in my derailleur hanger? It's been ...
4 votes
2 answers
554 views

I think I have installed my new rear deraileur incorrectly, can anyone give me some advice

I have replaced the derailleur on my daughters Dawes Academy 26, but I think it looks wrong. On the lowest cog (gear 8) the derailleur looks like this: enter image description here: I assumed that ...
2 votes
1 answer
2k views

Can I reorient my dérailleur so the top jockey doesn't hit the cassette?

I was running a RD-M7000 dérailleur on my Scott E-Genius 730 and I recently received some good advice here that the Deore RD-M6000 is a drop-in replacement. I have now purchased and fitted that, but ...
2 votes
1 answer
677 views

Derailleur hanger reverse

It looks that the derailleur hanger is reverse and I've tried to check for a new one to replace and it seems to be very rare. Is there any workaround to change it with a regular hanger?
2 votes
1 answer
167 views

Fuji Transonic 2.8 2016: rear derailleur hanger direct mount or standard?

I have a Fuji Transonic 2.8 from 2016 that has the following hanger installed: https://wheelsmfg.com/derailleur-hanger-215.html I am replacing the short cage Shimano 105 rear derailleur with the ...
4 votes
3 answers
1k views

I replaced my rear hub, but I'm not sure about how to attach the derailleur

I'm new to working on bikes and have been unable to find an answer via the internet, which, too be honest, is probably really simple. I got a bike just for riding around the city that had a cheap hub ...
1 vote
3 answers
664 views

Trying to find Derailleur hanger for a custom road frame

Hi everyone, I'm trying to find out which derailleur hanger to order for this frame I was given. A friend at a local co-op had this frame lying around, and it needs a hanger before I can install a ...
3 votes
3 answers
127 views

Replacing Spark 720 2015 derailleur + hanger using markings

Broke my rear derailleur a week ago along with the hanger. On my Spark 720 year 2015, the old hanger said 142-RWS12 IDS-SL so I ordered a new one from eBay: https://www.ebay.com/itm/SCOTT-23528...-/...