Hello how may I help you? I want to buy bike helmet I can assist you with that. What helmet would you like? I want to get a good bicycle helmet from Big 5 We have the Mondo model and the Frondo model, which would you prefer? I like the Mondo brand. Do they have grey and black helmets? Yes they do and we have those in stock. Can you order that for me now and put that on my card? Yes, would you like small, medium or extra jumbo size? Medium size please. And how much is it? $19.95.