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Questions and answers about sports

How do you measure the size of a bicycle frame?

5 min read

Asked by: Matt Berry

Place the end of a tape measure at the exact center point of the gear crank (the metal post that runs through the center of the bike’s chain sprocket). Then run the tape measure up to the top of the tube. Measure to the point where the tube ends. This will give you the length of the seat tube which is the frame size.

How do I determine bike frame size?

You can measure it by finding the height of the rear axle and the height of the bottom bracket, then subtracting one from the other. It’s another key measurement quoted by bike brands on their geo charts.

What is the frame size of a 26 inch bike?

Method 1 – Rider’s Height or Inseam Vs. Bike Frame

Rider’s Height Inseam Length Mountain Bike Frame Size
4’10”-5’1” 24-29 inches 14 inch or less
5’1”-5’5” 25-30 inches 15 or 16 inch
5’5”-5’9” 26-31 inches 16 or 17 inch
5’9”-6’0” 27-32 inches 17 or 18 inch

What does a 26 inch bike mean?

And what does it mean when they say “26 inches”? A 26 inch mountain bike means that the wheels have an internal diameter of 26 inches. This measurement is commonly used in reference to mountain bike. For example, a man who stands 5’8″ would be best suited for a 26-inch frame.

How tall should you be for a 29 inch bike?

If you’re 5’6′ or taller, you should be able to find a 29er model to fit you. Riders more than 6′ tall can rejoice: You’ll definitely enjoy a more natural riding position with the size and frame geometry of a 29er.

Can a 6 foot man ride a 26-inch bike?

For someone who is 6’4″, the seat will be positioned perfectly. However, for shorter riders, it may take some getting used to. The size of the frame can make riding uncomfortable at first due to the way it is positioned. If you are 5 feet or less in height, you might want to consider passing on a 26-inch bike for men.

What size bicycle is right for my height?

Bike Size Chart/Bike Frame Size Chart

Height Bike Size
5’7” to 5’11” (170-180 cm) 16 to 17 inches
6’0” to 6’2” (180-188 cm) 17 to 19 inches
6’2” to 6’4” (188-193 cm) 19 to 21 inches
6’4” or taller (193+ cm) 21 plus inches

What height is a 28 inch bike for?

This bicycle is suitable for adults having a height range of 6 feet or above. The 28-inch bicycle is also called 29er which is mostly the mountain bike suitable for mountain biking due to large-sized wheels that are highly stable with high velocity having greater control and durability.

What size bike should a 6ft man ride?

Mountain bikes use standard measurement, and a 6-foot tall man will fall somewhere between 18 and 20 inches, depending on your inseam measurement. If you’re between sizes, it’s best to size up, since you can make up the differences with a higher seat and longer stem.

How tall is a 27.5 inch bike?

27.5 MTB FAQs



What height is a 27.5 bike for? If you’re shorter than 165cm (5′ 5″) you’ll be better off on a 26″ bike. If you’re taller than 183cm (6′) a 29″ MTB will be more suitable. As always, your best bet is to test ride different bike sizes before deciding which is best.

Is a 27.5 inch bike for adults?

Be aware that while adult bikes are categorized by their frame size, you still need to consider wheel size. Larger frame sizes usually mean larger wheels, but this is not always the case. 26 inch bikes for adults used to be standard, but 27.5″ and 29″ wheels are becoming much more popular.

What does 27.5 inch bike mean?

If you haven’t caught on by now, 27.5 is the diameter of the wheel in inches which makes it obviously smaller than a 29er wheel. The change in wheel size makes a noticeable difference in how the bike rides, handles, and more. The 27.5 wheel is notorious for being a great compromise between agility and speed.

What size is a 29 inch bike frame?

Mountain Bike Sizing Guide

Your Height Your Inseam Length Bike Frame Size
4’11” – 5’3″ 25″ – 27″ 13 – 15 inches
5’3″ – 5’7″ 27″ – 29″ 15 to 17 inches
5’7″ – 5-11″ 29″ – 31″ 17 to 19 inches
5’11” – 6’2″ 31″ – 33″ 19 to 21 inches

What does 29 inch bike mean?

29er bikes also referred to as two-niners and 29″ MTBs, are mountain bikes with 29-inch wheels. The “29” refers to the diameter of the wheels these bikes use (with a tire mounted). 29″ MTB wheels are also the same diameter as a 700c road bike wheel.

What is the difference between 26 and 29 inch mountain bike?


And and first invented were pretty much exclusively 26 inch wheels more. And more now mountain bikes of all disciplines are moving to larger wheel size that's a 29 inch wheel.

What size is a 21 inch bike frame?

What size is a 21 inch bike frame? A 21 inch bike frame is an XXL size suitable for people over 6 foot 2 inches tall.

What does 24-inch bike mean?

What Do 24-inch Bikes Mean? A 24-inch bike means a bike with a wheel size of approximately 24 inches. A 24-inch bike has a wheel size that is smaller than the standard 26-inch bike.

Is 20 inch bike frame for adults?

20″ wheel BMX bikes are ridden by children and adults of all sizes but the minimum age for this style of bike would be between 7 and 8 years. Mountain Bikes: Standing flatfooted on the ground; you should have a minimum of 3″ clearance between yourself and the top tube(cross bar) of the frame.