How Do I Know My Size For A Road Bike?

by | Last updated on January 24, 2024

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A key measure of road bike size is your saddle . You can work this out roughly by using the LeMond formula:

measure your inside leg length and multiply this by 0.885

. You can also do it empirically by setting your saddle so that you can place the centre of your foot on the pedal with your leg straight.

What size bicycle is right for my height?

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

How do you determine your bike size?

Is a 26-inch bike good for what height?

Bikes with 26-inch wheels are designed for people who are

between a height of about five feet to the smaller end of six feet

. If you're taller than that, then your bike should have larger tires and more space in length.

How should a road bike fit?

How tall should you be for a 29 inch bike?

If you are under 5'6” tall, a 26-inch mountain bike is still likely to be a better fit. 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.

How do you tell if your bike fits you?

“The stem shouldn't need to be super short or super long to make the bike fit you.” Ideally, you should

look for a reach where your elbows bend slightly when your hands are on the hoods—without your spine flexing and bending to reach the bars

—for a good road bike fit.

What size bike should I get if im 5 7?

Your Height / Inseam Bike Size 5'3′′ to 5'7′′ with 27′′ to 29′′ inseam

S (small) 15 inch bike
5'7′′ to 5'11” with 29′′ to 31′′ inseam M (medium) 17 inch bike 5'11” to 6'2′′ with 31′′ to 33′′ inseam L (large) 19 inch bike 6'2′′ to 6'4′′ with 33′′ to 35′′ inseam XL (extra large) 21 inch bike

Can a 6 foot man ride a 26 inch bike?

But when it comes to adults who are taller than 5'7′′, a 26-inch bike will be slightly smaller. In such a case, adults who are 5'5′′-6'0′′ should get a 27.5-inch bike, while

those taller than 6 feet should get a 29-inch bike

. Overall, adults can ride bikes with a wheel diameter that is between 26 inches and 29 inches.

Can a woman ride a 26 inch bike?


Very petite women may want a 26′′ wheels but most will be best served by a 27.5′′ or 29′′ wheel

. These two wheel sizes are becoming more common on modern mountain bikes, so if you are buying a bike new, it's likely to have 27.5 or 29 inch wheels.

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 do I know if my road bike is too big?

Ideally, you should be able to stand with your feet flat while straddling the top tube with the bike between your legs.

If you struggle to make turns or need to sit up straight to reach the handlebars

, the frame is likely too large.

How do I know if my road bike is too small?


If you notice that your arms and legs are more sore than normal after a long ride

, the frame may be too small. A bicycle frame that is too small could also be uncomfortable to ride. If you feel awkward or cramped, the frame is probably too small for your height.

Why do pro cyclists ride small frames?

Pro cyclists choose smaller frames

to acquire a more aerodynamic position thanks to the lower head tube

. Also, compact frames are more agile, easier to manipulate, and have a shorter wheelbase resulting in more stability when cornering.

Is a 700C wheel the same as a 29er?


29′′ (ISO size 622) is actually the same rim diameter as 700C

, although most 29′′ tires will not fit 700C road rims because they're too wide. 29′′ tires are popular with mountain bikers; search for 29′′ MTB.

Is a 29er faster than a 26er?

In the end,

the 29ers came in 7.5 seconds ahead of the 26ers

—a 2.4-percent speed increase—without making the riders work harder, as there were no differences in power output, cadence, time spent coasting, work, or heart rate.

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.

Is it better to get a bigger or smaller bike frame?


If your arm span is longer than your height, go for a bigger frame

. If it's shorter, get the smaller one. On a bigger bike, the reach to the handlebars will be longer. If you have proportionally longer arms, you are likely to feel more comfortable on a bigger frame.

Should bike seat be higher than handlebars?

As a general rule of thumb,

you want the top of the handlebar about as high (or higher than) the saddle, unless you're a sporty rider looking to ride fast

. Try touching your elbow to the nose of the saddle and reaching forward towards the handlebar with your hand.

Should I be able to touch the floor on a bike?

When you turn the pedals, there should be no stretching or reaching, pointing your toe or rocking hips. Trust us,

you really shouldn't be able to touch the floor with both of your feet when you're sitting on the saddle

. This is an all too common myth and will stop you from getting the most out of your bike.

Kim Nguyen
Author
Kim Nguyen
Kim Nguyen is a fitness expert and personal trainer with over 15 years of experience in the industry. She is a certified strength and conditioning specialist and has trained a variety of clients, from professional athletes to everyday fitness enthusiasts. Kim is passionate about helping people achieve their fitness goals and promoting a healthy, active lifestyle.