About this item This fits your . Make sure this fits by entering your model number. Use our7Speed road bike,You will be agile on the road.Hollow rims provide stability even at high speeds,V-shaped brakes at the front and rear ensure the necessary control.Whether at work or leisure,This bike will be your faithful companion. in our7Speed bike,Combine retro atmosphere with minimalism every time you ride.Rely on7Speed bike unparalleled riding experience,You never want to be separated from it-Our retro design conveys understatement and style,Really eye-catching on the road The bottom bracket is an important part of the riding process.The shaft structure of the bearing is reasonable,simple,smooth.Friction is smaller than ordinary chassis.dust-proof,No frequent maintenance Excellent components are the prerequisite for variable speed,Speed is not stuck,Smooth and steady,To ensure a smoother ride The assembly completion rate of this bicycle is90％.Quick and easy assembly