How do I know what size my seatpost is?

How do I know what size my seatpost is?

To find out the diameter of your seatpost, you must remove the seatpost from the bicycle frame and look for the size, which is stamped just below the “Minimum Insert” line toward the bottom. The number will be a three-digit number (such as 26.8 or 27.2 or 31.6).

Is the Giant XTC a good bike?

The XTC 2 is a cracking bike that you will want to blast around the woods and the frame is good enough to provide years of fast paced service at a reasonable price. Striking good looks, lightweight and the potential to be upgraded make the Giant one to put on your wish list.

What size is an oversized seatpost?

A recent trend to oversized tubing has resulted in the introduction of oversized seatposts (anything over 27.4 would be considered oversized.) These are more commonly seen on mountain bikes, where the longer seatposts can use the extra strength. Common diameters arey 30.9mm and 31.6mm.

What size seatpost do I need for my bike?

A recent trend to oversized tubing has resulted in the introduction of oversized seatposts (anything over 27.4 would be considered oversized.) These are more commonly seen on mountain bikes, where the longer seatposts can use the extra strength. Common diameters arey 30.9mm and 31.6mm. Diameter is not the only factor affecting compatibility.

How do you measure the diameter of a seat post?

You also could measure the diameter of the seatpost and of the hole in the seat tube using a dial indicator or vernier caliper. Dial indicator caliper. Vernier caliper. You don’t even need a caliper to compare seatposts. A large adjustable wrench, set to just slip over a seatpost, is fine that purpose.

What is the average size of a bicycle seat tube?

National and Historical Trends. Most steel bicycle frames have tubing of standard outside diameter. Frames made to British or Italian standards will typically have 1 1/8″ (28.6 mm) seat tubes. Older French bicycles used 28 mm.

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