The Subrosa OM frame is Joris Coulumb\'s signature model that has everything you need and nothing you don\'t to help keep cost down. Made from 4130 chromoly tubing with a heat-treated integrated headtube that\'s extra tall to eliminate the need for headset spacers, removable gyro tab holes, a double-butted top and downtube with Subrosa logo gussets, heat-treated Mid BB shell, seatstay located bosses for removable U-brake mounts (sold separately), S-bend chainstays and 6mm thick heat-treated dropouts. ###section### Product Specs MATERIAL: Full 4130 Chromoly HEAD TUBE ANGLE: 75° SEAT TUBE ANGLE: 71° CHAIN STAY LENGTH: 12.9\" BB HEIGHT: 11.7\" WHEEL SIZE: 20\" STANDOVER HEIGHT: 9\" DROPOUT SIZE: 14mm HEADSET TYPE: Integrated BB TYPE: Mid BRAKE MOUNTS: Removable GYRO TABS: Removable WEIGHT: 4.8lbs ###section### Product Highlights Responsive Geometry with Short Backend and Steep Headtube Great all round frame for all types of riding Top Tube and Downtube gussets with butted tubing for added strength Taller Top Tube so you can run your bars higher without headset spacers Removable break mounts and pre-drilled for gyro tabs ###shogun-image-section###