VLR VLE4050 Rear Axle Bearing Cassette Housing - 40mm/50mm Compatible - LO206 & Sprint RacingFor those pushing the limits of go karting for adults, the VLR VLE4050 Axle Bearing Cassette Housing delivers the zero bind drivetrain alignment required to eliminate parasitic drag and dominate the podium. Rear axle performance dictates your exit speed, and this precision machined cassette ensures your bearings spin freely under extreme lateral loads. By locking the axle perfectly true to the chassis, it channels every ounce of engine power directly