Marin Treviso Italian Colombus Nemo Zona Butted Steel frame chrome stays and cool drop outs built by Bullato Brothers in Italy.
https://roadcyclinguk.com/gear/billato-bikes.html#F0W3RTMbk50HLIOX.97 It is probably 1999-2001
The top tube center to center measures 53.5c and seat tube center to center is 54.5c. 90mm stem 42c FSA Wing Pro bars. It has a Profile carbon fork, Truvative Rouleur GXP carbon cranks with full size rings Ultegra 9s ALX260 wheels. Chain cables and crank a season old, tires are almost new rides great fast responsive light steel bike 20.5 Pounds.