Indicators for older bikes

I use these as they mount to the headlamp and look the part I also find the thicker stalks are very useful for mounting spots on as to mount them on a crashbar, on the older bikes I found causes glare.
http://www.ebay.co.uk/itm/Yamaha-RD250-350-400-XS-250-400-New-Indicator-Lamp-F-R-/261147910757?pt=UK_Motorcycle_Parts&hash=item3ccda0e265

OK it is e-bay BUT it givers the “donor” bike type so you could search elsewhere.