Crosscountry bikes 19" to 23" wide Trail and allmountain bikes 23" to 25" wide Downhill bikes up to 25" wide Road bike tires Most road bikes have a 700mm outer diameter, with widths starting at 23mm Most road tire widths are less than 30mm, but you can also find tires as wide as 45mm on bikes intended for gravel roads Bike Fitting Upper Body Position For a bike to fit well, simply knowing your standover height may not be enough to ensure a great fit A good second piece of data is the effective top tube (ETT) length ETT describes the horizontal distance between the head tube and the seat tube, regardless of whether you have a straight top tube or one thatThe Carolina's #1 Trek Bicycle Stores three shops in the Charlotte area Road, mountain, electric, kids' bikes & more Visit us for quality bike service & repair We pedal fun!
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