GT73 - Complete bottom bracket assembly

Please be aware that all parts and accessories are final sale — no returns or exchanges. Delivery may take 15 to 30 days.

The GT73 – Complete Bottom Bracket Assembly is a precision-engineered drivetrain upgrade that includes everything you need for reliable, smooth pedaling. This all-in-one set features the bottom bracket unit itself, a dedicated removal tool, and both 14 mm and 10 mm socket wrenches — making installation, maintenance, and future servicing straightforward. 
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Designed for durability and performance, the GT73 bottom bracket offers sealed bearings and tight tolerances to minimize play and resist contamination over time. It enables efficient power transfer from your cranks to the drivetrain while ensuring smooth rotation. This component is ideally suited for serious riders who demand precision and longevity in their builds.

The included removal tool is tailored specifically for this bottom bracket, allowing safe disassembly without damaging the unit or surrounding frame. With the 14 mm and 10 mm socket wrenches included, the kit ensures you have all the essential tools to install or remove the bottom bracket without needing extra gear.

Whether you're upgrading from a worn-out BB or building a new GT73-compatible e-bike, the GT73 Complete Bottom Bracket Assembly gives you a professional-grade solution with all parts and tools in one package. Its robust construction and comprehensive kit make it a smart choice for cycling enthusiasts aiming for high performance and ease of maintenance.