FSA (Full Speed Ahead) Gossamer Compact Drop Handlebar - Aluminum, 31.8mm, 42cm, BlackFSA Gossamer Compact Handlebars feature alloy construction and the ergonomic addition of a flat top section. Double butted, tapered and shot peened AL 6066 construction 120mm wide round center section for mounting accessories 4 degree outward bend Product Specifics Drop Bend Style: Compact Defined Color: Black Width Measurement: Center Weight: 420 Accessory Mount Diameter: 31. 8 Width: 42 Cable Routing: External Bar Top Style: Round Clip on