Performance Upgrades – Lightweight wheels, high-efficiency drivetrains, upgraded brakes, or premium suspension systems
Comfort Mods – Ergonomic handlebars, adjustable seats, custom grips, or shock-absorbing forks
Style Enhancements – Colored tires, custom decals, unique frame accessories, or lighting setups
Fit Adjustments – Sizing tweaks, custom crank lengths, stem changes, and saddle adjustments