Bicycle Repair Guide

How To Replace Your Pedals

Applies to both 1/2″ and 9/16″ thread sizes. The left pedal has a reverse thread.

Tags » Drivetrain, Pedal
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Replacing a set of pedals on your bike may seem simple enough, but here’s a few tips that will help you prevent damage and make sure they stay on tight for those long rides. I recommend using a proper 15mm pedal wrench for this job, as they have a long handle and are designed to fit properly in the small axle slots.

When removing your pedals, the first step is to make sure you have both wheels firmly on the ground. This will give you better support for the leverage that is required to loosen your very tight pedal threads.

Right Pedal Removal

Loosen the right side pedal by turning counter-clockwise just like any traditional threaded nut. Notice how I have positioned the crank arm and pedal tool so that I can push down with more force.

Left Pedal Removal

It is very important to remember that the left pedal has a reverse thread, which keeps the pedal from unscrewing while you ride. To loosen the left side you will have to turn the wrench clockwise.

Pedal Installation

Before installing the new pedals, apply a thin coat of waterproof grease to the threads. This helps tighten your pedals and keep the treads from seizing, so that they can be removed in the future.

Tighten the right pedal by turning the wrench clockwise, and tighten the left pedal by turning counter-clockwise.

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4 Responses to “How To Replace Your Pedals”

  • Niallo

    Alex, I found this tutorial very helpful in replacing my pedals. Thanks very much for all you do to make cycling safe and more cost effective for everybody.

  • BPS

    I really recommend not to force pedal wrenches when you don’t know which way your turning!, good tutorial explanation

  • People sometimes get confused by clockwise and counter clockwise. So we teach it, “with the pedal wrench pointed straight up, push it to the back of the bike to loose, and to the front to tighten.” That way they don’t have to remember rotation, just front and back.

  • Frédéric

    Hello,
    I successfully overhauled my bottom bracket using your tutorials, thanks a lot.
    However, I think my pedal bearings need to be re-greased.
    I am having trouble taking the pedal apart. Are you able to provide any tips? Thanks…

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