How Do I Know What Size My Bike Pedal Is?

by | Last updated on January 24, 2024

, , , ,

Manufacturers made it easy to put the sizing on the crank, knowing that people would look for their pedal size. If your cranks are made up of three separate sections, two separate crank arms, and the spindle that goes through the frame, your pedals will be size 9/16′′ x 20 TPI.

What size pedals do I have?

Your crank will look something like what is pictured below. If however, your bike is made of only one piece of metal that is all connected and goes through the bike as one piece, then your pedal size will be

1⁄2” x 20 tpi

. This is the easiest way to tell which pedal size you have and is a great little trick.

Are bike pedals a standard size?


Bicycle pedals mainly have two sizes: 9/16” and 1⁄2”

. The 9/16” is the more standard version of pedals and covers almost all subtypes.

Are all bicycle pedals the same size?

When it comes to pedal sizes,

there are two sizes: 1⁄2” and 9/16”

. 1⁄2” pedals are only used on very basic bikes with a one piece crank. A one piece crank is just that, it’s one piece of steel that is bent/forged to run from one pedal, through the frame, to the other pedal.

How do you tell which pedal is which?

What thread size is a bicycle pedal?

Bicycle pedals are commonly a

9/16′′ x 20 threads per inch

. The inside diameter of the internal thread (the “nut”) must be smaller. Measured in millimeters, the OD of the pedal is typically 14.2mm. For cranks the internal thread is nominally 13mm.

Are clip in pedals universal?

When you purchase clipless/clip-in pedals, the cleats designed to be used with those pedals are included in the box.

Clipless/clip-in pedal cleats are specific to the manufacturer

; so, for example, Shimano cleats are not compatible with Look pedals.

What size pedal wrench do I need?

The flats on almost all modern pedals take a

15mm spanner

, though many pedal spanners also have a 9/16-inch jaw for older pedals. Don’t be tempted to use thin wheel cone bearing spanners, as they’ll distort and be ruined.

Do pedals have different threads?

It is important to remember that

pedal threads are different from left side and right side

. The right side pedal has a right-hand thread (removes counterclockwise, installs clockwise). The left side pedal has a left-hand thread (removes clockwise, installs counterclockwise).

Can you replace bike pedals?

Use a pedal wrench or hex key to unscrew the pedals from the crank arms. Right pedals loosen by turning counter-clockwise, left pedals loosen clockwise. Apply bike grease to the new pedals and screw them in at an even 90 degree angle. Right pedals tighten by turning clockwise, left pedals tighten counter-clockwise.

What size pedals do Schwinn bikes use?

Schwinn Adult Replacement Bike Pedals,

9/16 Inch

Compatible, Fits Most Adult Bikes, Multiple Colors.

Can I put clipless pedals on any bike?

If you have several bicycles, you might want to purchase clipless pedals for the ones you ride most so that you can use your clipless shoes (and enjoy all the benefits of going clipless)

regardless of which bike you choose to ride

. The most important thing is practicing before hitting the road or trail.

What size are 3 piece crank pedals?

What size pedals do I need for my cranks? All one-piece cranks use 1/2′′ pedals. All two-piece and three-piece cranks use

9/16′′

pedals.

What is the difference between clipless and clip pedals?

Are all clipless pedals and shoes compatible?

You’ll attach the cleats to the bottom of the cycling shoes, then you’ll be able to clip your shoes into the pedals. Most pedal manufacturers have their own cleats that work with their pedals, but

as long as it’s the same style as your shoes (either 2 bolt or 3 bolt), the cleats should work on whatever shoe you buy

.

Are clip in pedals worth it?


Being clipped into your pedals will help you feel more at one with the bike

. Your feet are less likely to slip off as you pedal or shift your weight around. Being clipped into your pedals allows you to pedal more fluidly as your pedals and cranks become an extension of your body.

Will any pedals fit my bike?


Pedals are universal as long as the thread is the right size for the crank that you have on your bike

. The 9/16 20 TPI size is pretty much standardised on adult bikes in the industry now, meaning there are just the two main threads as previously mentioned.

Are all pedal wrenches the same size?


Pedal wrench flats are typically 15mm in size

. 9/16′′ (~14.3mm) is somewhat common on older pedals. 17mm and other sizes have been used, but you aren’t very likely to encounter them. (A “cone wrench” is thinner and shorter than a pedal wrench, and unable to provide appropriate durability or leverage for use on pedals.

Can I use a regular wrench instead of a pedal wrench?


Normal 15 mm wrench works for all mine

You don’t need a special pedal wrench. But no, you likely won’t find a suitable one at the hardware store. The flats on most pedals are thinner than the width of common 15mm open end wrenches. If you find one that’s real thin, it may work.

David Evans
Author
David Evans
David is a seasoned automotive enthusiast. He is a graduate of Mechanical Engineering and has a passion for all things related to cars and vehicles. With his extensive knowledge of cars and other vehicles, David is an authority in the industry.