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Bicycle Seat Post Size Chart

Bicycle Seat Post Size Chart - Older frames may have slightly thinner diameters (eg. The diameters for most modern road and mountain bikes are typically 27.2mm, 30.9mm, and 31.6mm. Web updated jul 13, 2023. Have you ever wondered how to measure the diameter of your bicycle seat post? Web rj the bike guy. This post may contain affiliate links, which help to keep discerning cyclist rolling. However, other common bike seatpost sizes include 35mm and 21.15mm. 27.2mm, 30.9mm, and 31.6mm in diameter. The three sizes also go by the names of standard, oversize and narrow. Web reading online there are about 3 sizes for seat post clamps i went with i believe '32mm' something (lower than 34, since the next higher size 'sounded' too big to me), but it turned out noticeably larger, so i had to return it.

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Besides The Diameter Of The Seatpost, There Are A Few Other Dimensions That Are Of Importance.

Web rj the bike guy. In summary, understanding the basics of bike seat posts is essential in selecting the right seat post for your bike. Older frames may have slightly thinner diameters (eg. Seatpost diameters generally range from 22 mm to 35 mm in 0.2 mm increments.

Web While There Are Any Number Of Post Diameters Out There, Most Modern Road And Mtb Bike Frames Accept A Seatpost Of Either 27.2Mm In Diameter (‘Standard’), 30.9 Or 31.6Mm (‘Oversize’).

Measure the internal diameter of the seat tube of your bicycle frame using a caliper or a specific measuring tool. Lengths range broadly from 75mm to 430mm, with mountain bike seatposts generally longer than road bike seatposts. Like in diameter, a seatpost's length may vary depending on different factors, including the bike's model. Web bike/ what size seat post?

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The wider the post the stiffer the ride. Web this page describes how to measure bicycle seat tubes and seatposts, and lists various bicycles, and the seatpost diameters that fit them. Web 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. Web you need to measure how deep the seat post goes down and how far down the seat post extends.

The Wider The Post The Stiffer The Ride.

Bmx normally uses a 25.4mm seatpost. The diameters for most modern road and mountain bikes are typically 27.2mm, 30.9mm, and 31.6mm. So what does the '34' stand for? Edited jan 16, 2018 at 19:00.

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