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Questions and answers about sports

What is this metal cage covering the rear derailleur?

5 min read

Asked by: James Brixton

What is a derailleur guard?

The Rear Derailleur Guard is designed to protect the bicycle’s rear derailleur and hanger from damage when transporting the bike in a car, shipping in a box or bike case, or while in storage.

How do you remove a rear derailleur cage?


Quote from video: It here and just turn left and as you pull apart you don't have to worry about anything shooting out at least in these Shimano. Ones. It's just a spring. And this inner plate with a little axle.

What are the parts of a derailleur?

Quote from video: So this is the upper pulley or jockey wheel or the guide pulley and then the the one at the bottom is the lower pulley or the tension pulley.

How do I protect my rear derailleur?

Quote from video: And padding secure the padding with zip ties or tape to make sure it doesn't slip and expose your derailleur in transit.

Do you need a spoke protector?

Quote from video: So the answer to the question is no you don't need it throw it away. I needed that so a couple reasons why you don't need these things is because over time they do get brittle.

How do I install a spoke protector?

Quote from video: You don't need the chain where to lock it all you need is tighten this nut on the tool okay so of course tighten it clockwise. To 50 newton meters. Usually that's that's a manufacturer's spec.

How do I know if my derailleur is long cage?

Quote from video: Now long derailleurs are gonna be very easy to spot because let's go ahead and turn it around here. Now between the two pulleys. Here that is a very short distance between the two pulleys.

Do I need a long cage derailleur?

It’s generally best to go for as short a derailleur cage as you can get away with, as long as you can avoid the chain contorting on the extremes of the cassette, such as using the largest on both sprocket and chainring. Smaller cages tend to have snappier gear changes, they’re lighter, and also less exposed to damage.

When should you replace rear derailleur?

Derailleurs will last almost indefinitely. The jockey wheels will wear out in time (tens of thousands of km) but the rest of the mechanism shouldn’t see significant wear. It could be that the spring will break at some point due to material fatigue, but that is also a relatively easy to replace part on most derailleurs.

How do you fix a bent derailleur cage?

Quote from video: If you've got a sram derailleur you can use the cage lock on there remove the derailleur. And then we're gonna go and find a tree stump something like that it's a bit flat i can use to my advantage.

How long does a rear derailleur last?

Good quality rear derailleur can last between 3 to 5 years, when unbranded or low-quality ones can last for 2 years, no matter what the durability of the rear derailleur the jockey wheel will wear after time and it can be replaced very cheaply with new ones, on the other hand, front derailleur can last almost

What is B screw on rear derailleur?

Simply put, the B-Tension screw is there to control the gap between guide pulley (the upper pulley on the derailleur) and the bottom of the cogs.

Should I remove the dork disc?

If you have the correct tools to remove your cassette, then it’s recommended to do so! This is because some Dork Disks can be challanging to cut off, which can end up taking more time than simply taking the cassette off – plus you don’t risk damaging your spokes(or hands).

How do I get rid of dork disk?

Quote from video: Typically it's going to have either plastic Clips holding it on and you just pop it out.

Do you need a plastic spoke protector?

Quote from video: Похожие запросы

What does the derailleur do?

A derailleur is a variable-ratio bicycle gearing system consisting of a chain, multiple sprockets of different sizes, and a mechanism to move the chain from one sprocket to another.

What does a derailleur clutch do?

The ‘clutch’ feature ensures tension is retained in the derailleur throughout its movement. Over rough ground, the weight of the chain can cause the rear derailleur to bounce and move, leading to chain noise and the possibility of it falling off the chainrings completely.

Why is it called a derailleur?

The word “derailer” (or “dérailleur”) is actually a metaphor, relating the gear change to what happens when a railroad train goes off the tracks. In English, we call this a “derailment,” not a “déraillement.”

Do I need a long cage derailleur?

Quote from video: So there's a difference of 20 teeth right there. Now on the cassette here the small cog is 11 teeth and the big cog is 32 teeth. So that's a difference of 21. So 20 plus 21 is 41. So there's a

How do I know if my derailleur is long or short cage?

Quote from video: If we go right up to the big ring at the front and all the way up to the biggest cog. At the back you can see there's a lot of tension in a chain. So that cage has had to move right forward.

What the difference between a short and long cage derailleur?

A chain that slacks can be represented as the force acting on the lever (derailleur’s cage in our case) and puts tension on the spring. Long cage = easier to move / short cage = harder to move. If you use only one chainring you can use a short cage derailleur.