Friday, March 15, 2019

Pedal Installation

Bicycle pedals are a little quirky things. At least the type of pedals I have on my bikes. It is prudent to write down how to instal and take them off. It's an important thing to know if you want to go bicycle touring. Because before you pack a bike in a bag the first thing you do is take the pedal off. And when you reassemble the bike this is the second thing to do (after fixing the handle, that is.)

If you want to cut the crap and just learn how to install or take off the pedal check these two videos I made. It's very simple and can be done with a sliding wrench, as I do. To install a pedal click here . To uninstall or take off a pedal click here . A tip to remember. If you sit facing the bike on both sides then you have to turn the wrench in exactly the same direction. You need not read the rest of the write up here. Just one other thing. Always use grease when you install a pedal. Makes the job of taking it off later much easier. 

The Detailed Story

The two pedals come with L and R written on them. L goes to the left (non-drive side) and R goes to the right (drive side). Obviously. You will need a wrench that is the right size for it. There are specialised pedal wrenches available in the market. But the job can be done using any adjustable wrench that is not too fat. I use this type of adjustable wrench (picture to the right). Typically such wrenches are used by plumbers. I have used it to undo a lot of plumbing stuff in the toilet or hand wash basin. It's a multi-utility kind of tool. It makes sense to carry such a wrench on a tour because it can have other utilities too. If pushed it can even work as a basic pair of pliers also. However, the particular one I have is perhaps an overkill in terms of size. But it does its job very well. There are other smaller models too, which might be better suited for cycle touring. Anyway, off with the instructions of how to instal the pedal. 
The end of the pedal has a bolt like thing with thread on it that goes inside the crank (see image on left). I think its proper technical name is spindle. The initial impulse of a novice would be to hold the thread against the hole and turn the pedal by hand. Unfortunately, it's not that simple. I wish it was. The pedal moves around its axis freely. That is, if the pedal turns on its own axis, the axis itself or the spindle or the bolt does not move at all. So, just turning the pedal won't make it go inside the crank arm.

It has a head with two flat surfaces on opposite sides that you hold with the wrench. In the picture you can see L is written on one of the flat surfaces (the other flat side is hidden below). You hold this flat surface with the wrench and then hold the bolt against the hole in the crank arm where it will go. 

Next you rotate the pedal backward, holding the wrench steady. Don't let the wrench turn with the pedal. The pedal slowly goes in and sits inside the crank arm.

Taking it off is exactly the opposite. That's quite a no brainer, isn't it? You hold the same head kind of thing with the wrench and pedal forward (keep the rear wheel lifted or set the cycle on a trainer/repair stand to do this). You can start off by unlocking the initial stubborn part. For this try turning the head clockwise (without moving the pedal forward). This is a little counter intuitive but that's how it is. 

The first time you install a new pedal make sure you grease up the bolt end. 

Remember this one line - After you hold the spanner  and looking at the pedal - left pedals come off if you turn them clockwise and right pedal comes off if you turn them anti-clockwise.

One universal rule - if you are looking at the pedal, all pedals left or right, tighten to the front. And they all loosen to the back. I am not using the term clockwise or counter clockwise because that's confusing. Confusing because we look at a pedal from two different sides.

All this might sound a bit confusing but there is no rocket science involved. Just sit down with a spanner and the pedals. Any person of average intelligence can work it out. If I can do it, you can do it too.

There are some pedals - usually the more expensive ones like the steel MKS pedals above left - that can be installed using a 6 mm Allen key as well. You will need a long Allen key for that. Of course the one in your multi-tool can also do the job during a tour. But the longer ones make the job easier. To do this you need to reach the pedal from the opposite side.

The pedals on the right are more humble and need a wrench to be installed or taken off.

I use the Allen key for the final tightening of my MKS. Because operating it from the other side through the bottle cages and all is a little messy.

In Simpler Terms (because I myself forget these things after a day)

Take off the left pedal - Sit in front of the pedal. Hold the wrench on the spindle. Turn clockwise, that is towards the rear wheel. It comes off.

Take off the right pedal - Sit in front of the pedal. Hold the wrench on the spindle. Turn anti-clockwise, that is towards the rear wheel. It comes off.





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