Commuting by bicycle to the Sun is appealing in the same way that most genuinely bad ideas are appealing: it is technically a form of exercise, it sounds environmentally responsible, and it only becomes catastrophic once you examine the route.
The distance from Earth to the Sun is approximately 150 million kilometers. This is the kind of number that sounds impressive in a presentation and incompatible with a panniers-and-padded-shorts reality.
The biomechanics of human cycling are well-studied. Power output, speed, rolling resistance, air resistance, and grade all factor into realistic performance estimates, and real research has modeled exactly these relationships for cycling on Earth and in other gravity environments [pubmed.ncbi.nlm.nih.gov]. None of those models include provisions for the vacuum of space, which removes air resistance but also removes air.
That tradeoff deserves attention. A space commuter would enjoy zero headwind and no rolling resistance, which sounds like a performance improvement. They would, however, also be cycling through a vacuum in temperatures ranging from very cold to very hot to catastrophically hot, which tends to reduce the appeal of the bike lane.
Navigation planning has its own challenges. The Sun is not stationary relative to a cyclist departing Earth, so the route must account for orbital mechanics, angular position, and the quiet possibility that by the time you arrive the destination has moved.
Energy provisioning is the practical limiter. A cyclist at a sustainable watt output can maintain a reasonable speed on flat terrain. Over interplanetary distances, the caloric math becomes less a nutrition question and more an existential one.
Time dilation adds a final layer of bureaucratic complication. At cycling speeds time dilation is essentially immeasurable [scientificamerican.com], but it is worth mentioning because it lends the journey a sense of intellectual dignity and confuses anyone doing the math casually.
Emergency planning also warrants a paragraph. Standard cycling safety equipment does not cover punctures in vacuum, solar flare exposure, or the morale consequences of a commute measured in decades.
Employers considering cycle-to-work schemes for solar destinations should revise their policy documentation carefully. Current allowances are not scoped for bicycle purchases at this tier.
The honest conclusion is that the average commute time from Earth to the Sun by bicycle is long enough to reclassify as a career choice rather than a transport decision. Hybrid work arrangements remain strongly recommended [pubmed.ncbi.nlm.nih.gov][scientificamerican.com].