Quality construction makes the RMA, available only at, a Mountain trail bike that performs equally well for gravel paths and for street riding. Backed by our limited 10-year frame (see owner’s manual for details), The lightweight hardtail frame is molded from tough 6061 heat-treated aircraft-grade aluminum, and will never rust! Durable aluminum, lighter than steel, makes this bike easier to Accelerate, easier to maintain Momentum, and easier to handle. We deliver this bike with the tools you need to quickly finish Assembly so you can get riding! Choose the right size bike! Make sure your inseam is longer than 31. 25 inches to fit the stand over height for this 18-inch frame! Select 18, 20, or 22 Inch frames for men, and 15 or 17 Inch frames for women. An alloy quick release binder enables easy height adjustment of the padded saddle for a proper fit. Quality matters and Royce Union makes sure that the quality of the RMA will meet your high expectations. Passionate about the outdoors? Welcome to Royce Union mountain bikes. Since 1904.
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An Amazon exclusive, the RMT with quality construction is one great bike to ride; the hardtail frame is molded from durable, no-rust aluminum, lighter than steel; that makes this bike easier to accelerate, easier to maintain momentum, and easier to handle
Just twist to shift; the complete SHIMANO drivetrain – 21-speed SHIMANO Revoshift and SHIMANO Tourney indexed derailleur – delivers seamless shifting between gears as you adjust to your path; padded saddle can be easily adjusted for the right fit
Larger 27.5 inch wheels maintain rolling momentum; all-terrain tread pattern provides less rolling resistance than typical mountain bike tires; this mountain trail bike performs equally well for gravel paths and for paved streets
Machined alloy wheel rims enable superior brake pad contact to enable the alloy linear pull brakes to consistently stop on demand; Krayton grips and pedals feel good and comfortable; limited 10-year frame warranty (see owner’s manual for details)
We deliver this bike with tools included for fast assembly; 18-inch frame is suggested for a minimum inseam of 31.25 inches; 20 and 22 inch frames also available; ZOOM suspension fork delivers solid performance