These are called AC Pannier rails, luggage rails or saddlebag supports and used when installing saddlebags. Manufactured from 16mm diameter grade 304 stainless steel tubing with a 1.25mm wall thickness. Welds are smooth for a detailed professional finish. Fits: > Triumph: 01-08 Bonneville T100 (carb); 09-16 Bonneville T100 (EFI); 09-15 Bonneville Mag Wheel; 06-08 Scrambler (carb); 09-16 Scrambler (EFI); 04-08 Thruxton (carb); 09-16 Thruxton (EFI)(NU)