The Royce Union RGF is a premium gravel bike featuring a lightweight aluminum frame. A full Shimano drivetrain provides 18 speeds with comfortable gearing for both pavement and gravel road surfaces. The WTB Volt saddle remains comfortable on long rides. The RGF features WTB Nano tires that provide both low rolling resistance and excellent grip on gravel surfaces. With dual Shimano disc brakes, you can stop precisely and reliably every time.