The Aeras starts with a 6061 aluminum Haro hybrid frame that features Rider Optimized Geometry that's specifically designed to assure a proper and comfortable fit. It's suited for a wide range of uses including commuting, fitness riding, recreational riding and good old fashioned errand running. From a component specification standpoint, together with the 6061 aluminum frame and rigid steel fork, you'll find a Shimano 2x8 drive train with Shimano EZ Fire shifters, mechanical Flat-Mount disc brakes and 700c alloy double wall rims with 32c tires.