This is the 451/20″ titanium mini road bike frame design, this bike can be good use for women or Beginners or urban for short distance cyclists. Titanium bikes are also very lightweight and convenient tools, so especially this bike, he brought us a clean, neat, lightweight, portable.This titanium road bike frame which is designed for 20″/451mm wheel size, the frame size you can consider designed for 46cm, 48cm, 50cm …the wheel size can be designed for 700C or 451 or 16″ wheel size, single speed, disc brake, BSA thread BB Shell. Simple and comfortable road bike brings you a different travel experience. this finsihed frame only have 1.6kg. Our titanium road bicycle frame is super light and very suitable for those people who want to find a simply designed and comfortable custom frame. The bike cable is inner route, the whole frame seems smooth and simple lines. there is an engraved logo, the logo can custom as requested. Thru axle dropout make the whole frame more durable and threngthen. Flat mount design is the most popular desighed in present time. Our this titanium road frame can be used for Riders who like road cycling and who like to travel long distances, you can see here we designed the seat tube and down tube have the special opening design which can easy brake or split away. When you travel long distances by car, you can split the bike into the trunk of the car. This Ti road bike frame designed with Integrated head tube, BSA thread BB Shell, split design on the seat tube and S&S coupler design on the down tube, normal road QR dropout on the dropout, curved seatstay makes this frame morer shock absorption. matched with 27.2 seat post, and 700C wheel size. all these specs options makes this frame with classic style road bike. also add the rear rack mount on this tube, so you can add the rack when you need it. it combine strength and efficiency. For more information, please visit:https://www.ti-bikes.com/titanium-bike-frame/titanium-road-bike-frame/