BELT DRIVES LTD. Primo Drive Belt — 44.5 mm, 138T, Primary
Durable primary drive belt engineered for smooth power transfer and low maintenance.
The Primo Drive Belt delivers smooth primary power transfer and long-life performance for aftermarket motorcycle drivetrains. Engineered for reliable engagement and low maintenance, it fits OEM-style primary systems and offers quiet operation. Ideal for enthusiasts and technicians seeking a direct, durable replacement. 🔧