Start with system compatibility
A belt-drive bicycle needs a frame and drivetrain designed for that exact belt system, including an approved belt path, alignment, sprockets, and tension method. A conventional chain system uses its own compatible chain, cogs, chainrings, and joining method.
Compare care and adjustment
Belts do not use chain lubricant, but correct handling, alignment, and tension remain essential. Chains require compatible lubrication and wear checks. In both systems, follow the component maker's maintenance instructions.
Consider gearing and repair access
Belt systems are commonly paired with internal gearing or single-speed layouts. Chain systems support a wide range of derailleur and internal-gear designs. Check whether replacement parts and qualified service are available where the bicycle will be used.
Choose for the complete use case
Commuting, cargo, touring, children's bikes, and performance riding can place different demands on a drivetrain. Compare total bicycle cost, gear range, wheel service, replacement procedures, and manufacturer support.