Amazon.com : Outroad Mountain Bike 27.5 Inch Wheel 21 Speed Mountain Bicycle for Men and Women, High Carbon Steel Frame Road Bike with Daul Disc Brakes Suitable for Outdoor Sports and Commuting,
Amazon.com : Mongoose Ledge 2.1 Mountain Bike, 27.5" Wheels, 21 speeds, Mens Frame, Black : Sports & Outdoors
Mongoose Men's Status 2.4 27.5" Wheel Full Suspension Bicycle, Steel Blue, 18"/Medium Frame Size : Amazon.sg: Sporting Goods