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 I know what size spindle for my pedals?

Manufacturers have made it nice and easy for this one, and all you have to do is check the cranks on the bike. If your cranks are made up of three separate sections, two separate crank arms and the spindle that goes through the frame then your pedals will be size 9/16” x 20 tpi.

What is the standard bike pedal size?

9/16″ x 20
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.

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.

Are all pedals 15mm?

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.

What are the different pedal sizes?

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. 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 I know what size axle I need for my bike?

For a front thru-axle, this is measured from the inside to inside of your fork. For a rear thru-axle, this is measured from the inside to inside of your frame at the drop-outs. The O.L.D. measurement is listed for many thru-axles, but isn’t necessary if you know the overall length.

How do you measure bike pedal size?

The overall size of each of our pedal designs slightly changes where your feet should rest on them. The way it’s measured is from the middle of the pedal to the crank arm. Once you’ve found the right-sized flat pedal for you, you might be interested in exploring your different pin options.

Are pedal sizes universal?

Yes, pedals are universal for mountain bikes. But this depends on the type of crankset you have. A 1-piece crankset uses 1/2′ inch in diameter pedals. Two piece and three piece cranksets use a 9/16′ inch in diameter pedals.

What is a 3 piece crank set?

3 piece cranksets include 3 elements – 2 separate/free crank arms plus a spindle/axle.

Are all BMX pedals the same size?

A BMX bike’s pedal size is determined by the bike’s crank design. All modern BMX bikes feature a 3-piece crank with a 9/16-inch spindle and thread size. Kids’ BMX bikes have 1-piece cranks with a ½-inch spindle and thread size.

Is 9/16 The same as 15mm?

14mm = almost 9/16 inch. 15mm = almost 19/32 inch. 16mm = 5/8 inch. 17mm = almost 11/16 inch.

What’s the standard size of pedals for a bicycle?

This is because of the various sizes of bicycle pedals available (9/16”, 1?2”, etc.). However, there is some standardization when it comes to bicycle pedals. The 9/16” is the near-standard in bike pedals, meaning that the majority of bikes can fit a 9/16” pedal.

How does a pedal axle work on a bike?

The central sleeve, which is a light sliding fit in the pedal body, runs on balls, which in turn roll on cones, one on the axle and the other threaded to allow adjustment. A tiny 6mm nut locks the adjustable cone.

How to determine the right axle length for your bike?

The best way to determine the right axle length for you is to visit a qualified professional bike fit specialist who can evaluate your biomechanics and let you try both pedal types.

Which is better Shimano short or long axle pedals?

A narrow Q-Factor crank with +4 mm longer axle pedals might have the same effective stance width as a wide Q-Factor crank with standard short-axle pedals. Some athletes who switch between riding road bikes and mountain bikes will benefit from using Shimano’s +4 mm longer axle SPD-SL pedals on their road bike.