Eurobike Mens 27.5''Mountain Bike 3 Spoke Magnesium Wheel Folding Bicycle for Adult Men and Women Full Suspension (green) : Amazon.co.uk: Sports & Outdoors
27.5" 650B Mountain Bike MTB Disc/Rim Brake Rear Front Wheel Set 6/7/8/9 Speed | eBay
The Advantages of 27.5" Mountain Bike Wheels | Montague Bikes