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Questions and answers about sports

What’s difference between 1/2 and 9/16 inch pedals?

5 min read

Asked by: Randy Hadley

1/2″ pedals are for cheapo one-piece cranks, while 9/16″ pedals are for 2 or 3 piece cranks.

Are my pedals 9/16 or 1 2?

If the cranks are THREE PIECES, meaning two crank arms bolted to a spindle, it will be 9/16 thread on the pedals. If the crank is ONE piece through a large bottom bracket housing, it’s 1/2 thread.

How do you know what size pedals to get?

Check the Cranks on the Bike

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 is standard pedal thread size?

9/16″ x 20 threads

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.

Are all pedals 9 16?

Most pedals have 9/16″ x 20 tpi threads. Pedals for one-piece cranks are 1/2″ x 20 tpi. Older French bicycles used a 14 mm x 1.25 mm thread, but these are quite rare. French-threaded pedals are commonly labeled “D” and G” (French for “droite” and “gauche” (right and left).

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. 4. If there’s a hex socket it will be 6mm or 8mm.

What are the different types of bike pedal thread size?

Types of Bike Pedal Thread Sizes

  • 9/16” x 20 tpi (14.28 x 1.27 mm) …
  • ½” x 20 tpi (12.7 x 1.27 mm) …
  • 0.55” x 20.32 tpi (14 x 1.25 mm) …
  • Check the Cranks on the Bike. …
  • Measure the Current Pedals Thread Size. …
  • Take it to your Local Bike Shop. …
  • Types of Pedal Thread Adapters. …
  • How to tell Bike Pedal Thread Direction.

Are wider pedals better?

Larger Pedals

However, bigger is not better for everybody! As the pedal gets wider, the likelihood of ground clearance concerns increases — you’ve got a greater chance of striking obstacles or dragging your pedal in the dirt around tight turns.

Are bigger pedals better?

Bigger pedals make it easier to find your footing. Comfort and adjustment is the other reason, on a long ride adjusting your foot placement can reduce fatigue and a bigger pedal spreads the load. Mountain bikes tend to have larger pedals because most of them are meant for adults.

How do I know what pedals to buy?

flat bicycle pedals: Choose clipless pedals if you want more efficiency and control; with your shoes connected to your pedals, you transfer power when you pull up and push down. Choose flat pedals if you need to quickly take your feet off the pedals or want comfort while walking in the shoes that don’t have cleats.

What is the standard MTB pedal size?


When it comes to pedal sizes, there are two sizes: ½” and 9/16”.

What size pedals do Schwinn bikes use?

9/16 Inch

Schwinn Adult Replacement Bike Pedals, 9/16 Inch Compatible, Fits Most Adult Bikes, Multiple Colors.

Are bike pedal clips universal?

Clipless/clip-in pedal cleats are specific to the manufacturer; so, for example, Shimano cleats are not compatible with Look pedals. The exception to this rule is there are now some two-bolt systems created with cross-brand compatibility, namely from brands like Ritchey and Wellgo.

Do I really need a pedal wrench?

All modern pedals will screw into the crank arm using either one of two tools. Most pedals (like our reliable Thump flat pedals) require a pedal wrench, which is a long, thin tool specifically designed to fit the external spindle flats between the pedal and the crank leg (fig.

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

Since you don’t have a pedal wrench, typically, your standard 15 mm open-end wrench will do the trick just as easily.

Can you use a normal wrench on bike pedals?

Quote from video: Похожие запросы

Do bike pedals fit all bikes?

If you’re unsure of which pedal spindle size you need to fit your bike, then this post is for you! When it comes to pedal sizes, there are two sizes: ½” and 9/16”. ½” pedals are only used on very basic bikes with a one piece crank.

Can MTB pedals be too big?

If a pedal is too big for a rider, commonly the edge(s) of the sole can fall between pins, or at least position in a way that support and traction are unevenly distributed.

How do you fit a flat pedal?

Quote from video: By hand then tighten with the pedal wrench by placing the wrench at the three o'clock position and push down and clockwise until the pedal is tight repeat.

Should you grease pedal threads?

It’s necessary to grease pedal threads to prevent corrosion and facilitate installation. If the pedal threads aren’t greased, the pedals will fuse with the crank arms, making removal a difficult task. You can use anti-seize compounds too because the involved parts aren’t in dynamic motion.

How tight should pedals be?

Always be sure to double check that the pedals are tight. They should be firmly snug but don’t have to be herculean tight. Losing a pedal is a recipe for crashing and a loose pedal can damage your crank arm threads beyond repair. Installing pedals is easy when you know what to do.