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Questions tagged [derailleur]

Mechanism to move the chain from one sprocket to another.

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183 views

Front chainring spacing difference between Shimano and Campagnolo?

I want to upgrade my mid 80s road bike from a 50 tooth to a 53. But the BCD of the big triple chainring is some rare standard that it costs less to buy a whole (used) crank instead. And of course this ...
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RD-TZ40 ME Replacement

I've damaged the rear derailleur on my bike, and it needs to be replaced. I don't really have an LBS. I've looked around online, but I can't seem to find a correct replacement. I should clarify that ...
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471 views

mixed MTB/road bike for touring: uncleanliness of a Frankenstein setup

It appears that there are similar threads, so I'll reformulate it with more specific questions and taking the cue from comments. I am assembling my brand-new touring bike on a LHT frame, and I'd ...
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From Campy Nuovo Record to Simplex SLJ6600

After reading about the superiority of the rare Simplex SLJ6600 derailleur, I want to know if it will be an easy swap on my 1980 Motobecane Le Champion, which came with and has the Campagnolo Nuovo ...
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shimano derailleur problem?

Grandson (11yr old)took his rear wheel off to clean & couldn't get chain tension. After looking @it myself the chain had completely detached itself from the lower idler sprocket on the rear ...
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66 views

Bike gears won't switch to 7 or 1 and bike leans to side

I have a specialized Crmo mountain bike that I bought off someone after my previous one was stolen. I didn't really get to look at the bike very well because it was dark. When I got it home I ...
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103 views

The correct pulley/cog for a shimano tourney tx35 rear derailleur?

One of the cogs broke on my Schwinn Ranger and was wondering how the sizes ratios work on derailleurs? What would be the correct cog size to get for shimano tourney tx35 Rear Derailleur? Thank you
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113 views

Frame - FD compatibility

I have a Merida Speeder 200 (2015). I am going to install a drop bar handlebar. I've bought sora 3503 brifters and a new front derailleur(sora 3503 too). My problem is, I didn't know anything about ...
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169 views

How do I find a compatible replacement for my rear derailleur?

I need to replace rear derailleur that was broken in an accident. The derailleur is Suntour with lettering stamped on inside - Maeda Ind. VIA HB. How do I find a compatible replacement?
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94 views

Is this FD compatible with this crankset: 2 teeth too litle

I am a proud owner of this guy. The crankset is SRAM S1200, 36/22 and the FD is SRAM X7, direct mount. However, the cage on the FD broke, and I ordered this item in a hurry. 1) Dyna-Sys 10-speed ...