Oss, Schachmann to back Sagan at Tour of California

Bora-Hansgrohe have revealed the six riders who will back Peter Sagan at the Amgen Tour of California from May 12-18, with strongman Daniel Oss and recent Ardennes revelation Max Schachmann leading the charge to back the 'King of California' as Sagan hopes to add to his record 16 stage wins.