Go anywhere do anythingthe gt aggressor is sort of like the sport utility vehicle of the bike world with its capable handling rugged versatility and comfortable confidence inspiring performance there isnt much it cant do equally happy camping out on mountain trails or cruising around town with friends the aggressor is ready for anythingframe all new 6061 t6 aluminum frame w triple triangle replaceable derailleur hanger disc brake mounts and zerostack tapered head tube 275 designfork s