FAQ: What Size Spanner For Bike Wheels?

What size wrench do I need for a bike?

You’ll be able to use a 6mm or 8mm hex wrench for most pedals, but a decent pedal wrench is needed for other systems (eg. Speedplay). While a 15mm spanner may work, often you need the narrow profile of a proper pedal wrench. Leverage is key, don’t go for the very cheapest options as they’re often lacking in length.

What size wrench Do I need to remove a bike tire?

To remove the front bike wheel: Take a 15mm wrench to the axle nuts and turn it counterclockwise to loosen them. Remove the front brakes by pinching and releasingthe caliper so there is no longer pressure on the rim.

How do I know what size my bike hub is?

If you are unsure of your frame spacing or have an older bicycle, measure the hub width to ensure a proper fit. To do this, remove the rear wheel and use a pair of calipers or a ruler to measure the distance between the inner surfaces of the dropouts.

What size thread is a bike 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.

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What can I use instead of a pedal wrench?

But if your pedals aren’t super stuck right now, a cone wrench would work fine for your trip and would be way smaller and lighter than a proper pedal wrench.

Are all pedal spanners the same size?

To tighten and remove pedals, the axles have either spanner flats, sockets for a hex key, or both. 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.

Are bike Allen keys metric?

The bike industry is metric. For home use, a full set of metric allen wrenches is great. For bringing with you, there are a lot of multi-tools that will fit in your pocket and provide all the help you need on the road.

What tool do I need to change a bike tire?

Wheel Removal

  1. Repair stand (optional, makes the work a lot easier)
  2. Tire levers such as the TL-1.2, TL-4.2, TL-5, TL-6.2, or a multi-tool that incorporates a tire lever.
  3. Patch Kit such as the GP-2 or VP-1.
  4. Air pump: either a floor or hand pump.
  5. Wrench for non-quick-release type wheels that use outer axle nuts.

What tools are needed to change a bike tube?

Tools Required:

  • Screwdrivers / Bike Tyre Lever.
  • Wrench.
  • Replacement Inner tube.
  • Air pump.

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