The Elite Boost 148x12mm Knurled Thru Axle Adapter provides a precise and secure fit for mountain bikes equipped with Boost 148x12mm thru axles, ensuring perfect compatibility with Elite indoor trainers. Ideal for serious cyclists, this adapter makes connecting your bike to your trainer effortless and stable, even during intense workouts. Built from durable, high-quality materials, it withstands long-term use and heavy pedaling loads, offering a smooth, reliable training experience for every session.