For accuracy, repeat the measurement several times and calculate the average. The inseam measurement will help you get a bike you can comfortably straddle, while the height measurement will help you get a one that will accommodate your upper body dimensions. Adult bicycle frames are normally measured from the middle of the bottom bracket to the top of the seat tube.
Road bikes sizes are usually given in centimeters while mountain bike and hybrid sizes are usually given in inches. For hybrid sizing, see here. While there are several differences, hybrids, for example, are designed for more comfort than are road bikes, usually having a taller head tube and shorter top tube. Mountain bikes usually have a lower top tube than road bikes. She can straddle my road bike, and it a pinch, ride it.
But because her torso is shorter than mine, to do so very long forces her into an uncomfortable stretched out position. Her bike is from the extra small category while mine is from the medium category, but hers is also designed for a woman. All of that said, the bike frame that works best for you is the one that fits your physiology. If the reach to the handlebars is too near or too far, the stem can be switched out for a shorter or longer one.
Even the crank arms and brake levers can be swapped for a difference size if necessary. Leave a comment and let us know how it helped, or comment with additional questions that you had that we can use to improve the guide.
Bicycle frame sizes are measured in centimeters. The bigger the wheels 29er for instance the taller the bike is. Our tip: Head into your nearest bike store and try a few different frame sizes out to get a feel for what suits you best!
If you fall between two sizes, no need to worry! Many bikes have an adjustable stem, so you can change the angle of the handlebars until the bike fits comfortably. Our rule of thumb: The more time you plan on spending on your bike, the more attention you should pay to the size and fit of your bike.
Confused by the options on offer, or what is the best type of bike for you? Nav Menu. Bike Stores Learn. Bicycle Frame Sizes.
Size Matters The size of a bicycle is typically measured at the frame. The measurement typically more refers to the length of the seat tube, top tube, or the distance from the centre of the bottom bracket to the end of the seat tube. This is the part of the frame that the top of the fork goes into. The stack height of the bike depends largely on the kind of bike it is.
For example, sportive bikes tend to have a bigger stack height, while race bikes will usually have a shorter stack height for a lower front end. Looking for the right tyre size can feel a little like navigating a minefield at times, but understanding the particulars can help you get things spot on for a much easier ride. On a road bike, tyre sizes are described using dimensions. Generally speaking, wider tyres provide a smoother ride as the volume of air in each tyre is larger.
Several wheel manufacturers make wider 23mm or 25mm wide rims. Most road bikes will have enough clearance to fit 25mm-wide tyres, which can offer a good amount of comfort for the rider. Newer disc-brake road, gravel and cyclocross bikes often have enough clearance for mm off-road tyres to cope with more challenging surfaces, such as mud and gravel. You can see our tyre selection here.
This road bike size guide will stand you in good stead, but if in doubt, feel free to give us a call on , or email sales merlincycles. Road bikes come in many different shapes and sizes, designed to do lots of different types of riding. Here at Merlin we build our own Merlin bikes, as well as stocking bikes from the most well known manufactures around the world. Our own bikes have been tweaked and improved over the years. Our current crop of road bikes have won awards in magazine tests and all feature FIVE Star reviews from happy customers.
Commuting bikes are built to do the chores around town, or to get you to work reliably and efficiently. One of our best selling commuter bike, the Wilier Marostica, is a prime example. There are several different styles of commuter bike to suit to suit most riders.
Gravel bikes are the most adaptable of bikes. Relaxed, confidence inspiring handling make gravel bikes ideal for off road adventures. The Merlin Malts are our best selling gravel bikes.
Road Bikes are ideal for getting out into the lanes and covering longer distances. The geometry and light weight of road bikes makes them more suited to faster riding.
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