The men's road race B cycling event at the 2020 Summer Paralympics took place on 3 September 2021 at Fuji Speedway in Shizuoka Prefecture.

10 riders (and pilots) competed in the event.

[1] The B classification is for cyclists with visual impairment.

Sighted guides act as pilots in these events, which take place on tandem bikes.

The event took place on 3 September 2021 at 13:18.