Collection: Drivetrain

Keep your bike shifting smoothly with certified drivetrain components from Goodbye Cycle. Our Drivetrain collection includes cassettes, derailleurs, chains, cranks, chainrings, bottom brackets, shifters, and small parts from Shimano, SRAM, and other trusted brands.

Every component is inspected for wear, function, and compatibility before listing. Whether you're upgrading your mountain bike, replacing worn-out road drivetrain parts, or converting to modern gearing, you'll find reliable, ready-to-ride options here.

Upgrade your shifting performance with professionally evaluated drivetrain components.