Never pay down a deposit in a bank account until you have met the seller, seen signed a purchase agreement.
No serious private advertisers ask for a down payment before you meet.
Receiving an email with an in-scanned ID does not mean that you have identified the sender. You do this on the spot, when you sign a purchase agreement.
Selling Cannondale R500 Shimano 105 2x11 road bike TEC 28’ wheels Continetal + Kenda tires (32 mm thick) Aluminum L size frame Polished seams! Fyzik or WTB seat Transmission: Shimano 105 R7000 2x11 Shimano 105 mechanical brakes New Ultegra cassette I assembled the bike myself! Excellent technical condition, visually a four. The groupset works great! The bike...