Road Bike Frame Measurement Diagram
The top tube is parallel to the road giving the frame more stability and support.
Road bike frame measurement diagram. The frame size is determined by measuring the length of the seat tube in centimeters. 49 cm road bike. A touring bike s geometry is optimised so that it s stable carrying front and rear loads. Road bikes 50 60mm trail cx 55 65mm trail.
I saw him today and he had an old montana road bike come in. The instructions below explain how to measure a classic road bike. The classic style road bike frame is most commonly found on road racing touring and commuting bikes. However on the frame it s got 52 written on it.
Getting the size right is essential. He ll do it up for me for 220 euros. Road bike steering is tuned to be fast with its low trail geometry. Hybrid bike inseam in cm x 0 685 your frame size mountain bike inseam in cm x 0 66 your frame size road bike inseam in cm x 0 70 your frame size.
Method 3 bike size chart by height. If you re comparing a race geometry road bike from bianchi to a giant for instance an effective medium sized frame is in bianchi s sizing labelled a 55cm in giant s sizing a 47cm. My bike shop stated i d need a 56 frame i m 5 10. Bike measurement tool this tool helps you measure your bike frame by giving you detailed instructions and a frame diagram showing you exactly what to measure.
If you re working with a mountain bike frame leave the measurement in inches. Some manufactures use the seat tube measurement to differentiate bike sizes while others use small medium or large. Traditionally this measurement is given in metric cm for road bikes and imperial inches for mountain bikes. This diagram shows the various tubes that make up a road bike frame immediate media co manufacturers make frames in various sizes to suit the variety of riders.
Multiply this by 2 54 which 56 5 cm. He showed me how he measures the frame and compared it to a 54 frame on a trek road bike to show how the bike for me is actually bigger. Once you know the frame size of your bike you ll get a rider chart showing how tall a person should be to ride the bike. Multiply the number of inches by 2 54 to find the length in centimeters.
This is evident through the slacker head angles and higher trail than both road and cyclocross bikes. Imagine your leg inseam is 74cm then the best frame sizes for you are. Complicating things further the nominal size of any bike can mean very different things from one brand to the next. This is the tube on the bike that the seat post and saddle slide into.
However road bike frame sizes are always given in centimeters. 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.