Tam, who competes forVinh Long Television ADC, defeated strong rivals from Kazakhstan, theRepublic of Korea, Japan and China to take the silver medal.
He completed the 28.4km stage with a time of 34 minutes and 37 seconds and an average speed of 49.22km per hour.
Kazakhstan's Daniil Fominykh took the gold medal, while Jaeyeon Im of the RoK won bronze.
After the Asian tournament which will last until March 17, Vietnam's cycling team will join the Tour of Thailand in early April.-VNA