HOOK EXT-TI FRAMEset ti/black 27.5"/53 M - Titanium 3Al-2.5V frame with T47 bottom bracket shell mounts and thru-axles. - SEIDO MGV full carbon fork with tapered shape and internal cable routing, thru-axles, and triple cage mounts. - Sram UDH derailleur hanger. - Direct bag mounting on the top tube, triple bottle cage mounting on the down tube and seat tube for optimal bottle position, bottle cage mounts below the down tube, and rack mounts. - CNC yoke for maximum tire and chainring clearance. - Ovalized top tube for ultimate steering precision and comfort. - Biaxially ovalized down tube for optimal power transfer and steering precision. - Compatible with front derailleurs. - 12mm thru-axles front and rear.