- 700C Wheel, 21 speed grip shifter. Wheel width/diameter: 1.2 "/25.2''. Recommended for rider's height 5'3"-6'0". Max weight up to 330 lbs. Choose the genuine product-the frame is printed with "OUTROAD" logo. - Durable and stable aluminum road frame with a steel road fork ensures quick agile riding, great riding experience. - 21 speeds allow you to switch through the gears very quickly with your finger tips, so you can quickly select a gear for every terrain. - Safety ride to ensure function and performance. Ergonomic design of handbar which reduce resistance, anti-slip wear resistant tire. - Easy assemble, includes all the tools you need for building and maintaining it. Enjoy different speed cycling experience, like a wind chaser!