What size wrench do I need for bike pedals?

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 can I use 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.

Do I need a special wrench to change 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).

What tool do I need to remove bike pedals?

Most pedals are fitted and removed using either a 15mm spanner or an 8mm Allen (hex) key. If your pedals have parallel faces on the spindle between the pedal body and the crank, you will need a 15mm spanner. Any 15mm spanner will work provided it’s not too fat to fit between the crank and pedal body.

What is the standard size for a pedal wrench?

15mm
A quality pedal wrench will be long enough (and preferably with angled openings) to provide significant leverage, and durable enough to allow repeated application of such force. Pedal wrench flats are typically 15mm in size. 9/16″ (~14.3mm) is somewhat common on older pedals.

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.

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.

Do you need a torque wrench to install pedals?

Yeah, pedals should be tighter than just “hand tight” and you don’t need a torque wrench.

How do you tell if my pedals are 1 2 or 9 16?

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