How To Measure A Bike Frame Diagram

Alternatively you can measure up a bike you re comfortable riding with a tape measure to find out its stack reach.
How to measure a bike frame diagram. The frame size is determined by measuring the length of the seat tube in centimeters. The quickest method to discover your perfect bike size is to use my suggested bike size chart by height for road bikes hybrid. 51 cm mountain bike. For example mountain biking is a lot more aggressive than road biking and may require a smaller sized bike to make it more maneuverable through different terrains and obstacles whereas a cross country racing bike may be sized slightly larger to allow more speed to be generated.
The instructions below explain how to measure a classic road bike. The seat tube is the long tube that the bike seat post sticks into. I usually explain how to. I look to buy a entry level model or second hand but i want to make sure the frame is the correct for me i m 5 9 which indicates a medium size frame 54cm 55cm but my inseam is 87cm points to a larger bike.
While not all bicycle frames have a size label it ll save you some work if yours does. Mountain bikes come in standard sizes s m l and are generally similar across brands. You might ride a size 54 cannondale road bike but a size 54 diamondback road bike may feel quite different. Imagine your leg inseam is 74cm then the best frame sizes for you are.
Effective top tube length. I need some advice regarding a road bike frame size. If the size isn t given. Many times when i see a bike for sale the frame size is not listed.
The top tube is parallel to the road giving the frame more stability and support. And they don t know how to measure it. 49 cm road bike. Road bike inseam in cm x 0 70 your frame size.
Depending on the kind of bike you ride or want to ride will determine your size along with your riding style. I ask the seller what the frame size is and they don t know. If you look near the bottom of this tube about 3 inches 7 6 cm up from the chain sprocket you ll see a glued on label that states the bike s frame size. The effective top tube ett length is the simplest way to determine a bike s size.
That said just because the ett is the same between the two bikes it doesn t mean the bikes will have the same. Method 3 bike size chart by height. For example if you like. Wiggle has created this detailed guide to help you choose the most appropriate sized bike for you no matter what your dimensions.
For detailed instructions and diagrams on measuring a specific type of bike try our online bike measurement tool it shows you exactly what to measure for your bike and provides a chart of suitable riders for each bike size.