Barry's Mobile Bicycle Maintenance - A customer of ours has this BTwin Triban flat bar road bike for sale. It's just been serviced with a new bottom bracket, cassette and brake pads.
The best road bike for £500, the BTwin Triban 520 - BikeRadar
Bicicleta Carretera Triban 520 FB de segunda mano por 220 EUR en Barcelona en WALLAPOP