Mountain Bike Wheel Sizes & Tire Types
May 16, 2009 by admin
Filed under Mountain Bike Advice
Most mountain bikes use 26 in (559 mm) bicycle wheels, though some models offer 24 or 29 in (520 or 622 mm) wheels. Bicycle wheel sizes are not precise measurements, a 29 inch mountain bike wheel actually has a 622 mm (24.48 inch) bead seat diameter (the term, bead seat diameter (BSD), is used in the ETRTO tire and rim sizing system) …
