Quick Answer: What Size Allen Wrench For Bike Pedals?

What size wrench do I need to change bike pedals?

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.

What size Allen key do you need for pedals?

Exactly how you take them off will depend on what type of pedals you’re running. If you use Shimano, Look, Time, Speedplay or, to be honest, most brands, what you’ll need is an 8mm Allen key (in certain cases you might need a 6mm version instead). If you’re using flat pedals then a 15mm pedal spanner is your friend.

What size is a bike pedal nut?

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.

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Do I need a special wrench for bike pedals?

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. 3).

Can you use wd40 on bike pedals?

Most of the time all you need is to use a lubricant, like WD-40, to get the treads moving again. In extreme cases, you can try and use a pipe over the wrench to increase the amount of leverage you can apply to the pedals. WD-40 can work wonders.

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

Determine Your Pedal’s Size Since you don’t have a pedal wrench, typically, your standard 15 mm open-end wrench will do the trick just as easily. Once you’ve located the flat wrench spindle next to the bike pedal, it’s time to get to work.

Is it easy to replace bike pedals?

Fortunately, you can easily replace your bike pedals at home using a few simple tools. When you replace your bike pedals, take the time to install the new pedals correctly so you don’t have a hard time taking them off in the future.

How do I know my bike pedal size?

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.

Are all bike pedal threads the same size?

Thread Sizes 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).

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Are all bike pedals compatible?

First things first, the good news is that 98% of the pedals you can buy today are interchangeable with standard bicycle cranks. They prety much all use the 9/16″ x 20 tpi (threads per inch).

Are all bike 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 kind of grease should I use on my bike?

Most general purpose bike greases seem acceptable but all lack performance data. Alternatively, automotive greases (e.g. Mobil XHP222, Motorex Bike Grease 2000) comply with industrial performance standards. Washout kills bearings, so keep degreasers and power washers away!

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