This bike rack is U-lock compatible and easy to install. It offers 2 points of contact. The post is made of 2" steel pipe, the ring is 1 1/2" steel tube. Available in 2 mounting options: surface or in-ground (in-ground mounting option may require about 6-week lead time). Choose galvanized or one of 8 powder coated colors: black, red, yellow, orange, dark green, light green, purple, or dark blue. Measures 35"H x 16 1/2"W; weighs 18 lbs. Parks 2 bicycles. Made in the USA. Shipped freight.