The Tauranga man who came off his bike on Lakes Boulevard is still in critical condition in intensive care.
The 30-year-old man was flown to Waikato Hospital by the Trustpower TECT Rescue Helicopter on Monday night.
The man was initially rated as having moderate injuries when he arrived at Tauranga Hospital on Monday afternoon.
But staff realised he needed emergency surgery for head injuries.
He was flown to Waikato Hospital in a critical condition by the helicopter.