Smaller Wheels, More Fun? 650B VS 700C

So what are 650B wheels and are they really more fun to ride? We took to the gravel roads of Wales to find out. Subscribe to GCN: Register your interest in the GCN Club: Get exclusive GCN gear in the GCN shop! Our mates over at Zipp have just lent us these rather cool bikes to check out their new 303 Firecrest wheels which are available in a smaller size. 650b. If you’re a road rider, you probably haven’t ever had to think about wheel sizes mu