Sella was in turn passed by world champion Paolo Bettini .
Team CSC 's Kurt Asle Arvesen had ably held Paolo Bettini 's wheel in the final kilometer and started Paolo Bettini 's sprint at just the right time to win the stage .
Sella was in turn passed by world champion Paolo Bettini , but Team CSC 's Kurt Asle Arvesen had ably held Bettini 's wheel in the final kilometer and started his sprint at just the right time to win the stage .