Road Bike 21 Speed Bicycle with Disc Brake 700C Wheels Road Bikes for Men or Women 49cm/54cm Frame for Adult Cycling Bicycle

• 【Shimano gears】 this Road Bike is specifically designed for anyone looking for a fast and smooth ride. It features Shimano 21 Speed gearing.Shimano 21-speed shifter combo with brake lever provides quick gear changes.

• 【Brake System For road bike】 provides a stronger, faster, more reliable stopping power than the traditional V-brake Systems; Disc brakes also do not wear out your tires and last much longer; since disc brakes are much more consistent you'll be able to judge braking more accurately

• 【700c Road bikes tires】 it takes less energy to keep the bike at speed. 700c wheels have less rolling resistance, making them more efficient, you can ride further using the same amount of energy.

• 【Comfortable seat and handle】 Adjustable foam Sseat:;You can adjust the seat according to your height, foam seat is soft and water proof.The seat and hands fit your body shape, allowing you to get the maximum comfort during riding.

• 【Frame】 The geometry of the road bike frame is designed with professional competition grade geometry,more ergonomic, so you can ride more smoothly.

• 【Easy assembly】 the bicycle is 85% assembly, you just need to install the front fork, front wheel, seat and pedal under the guidance of instructions and then air up the tire.

• Please note that we are the developers of the appearance of this bicycle. Whether in terms of appearance or proportion, our product has undergone dozens of tests and modifications, so please recognized our product. Thank you