- High-speed bearings are manufactured to ABEC 3 precision levels
- Triple-lip rubber seals keep the grease in and the water and dirt out
- Chevron SRI 2 grease contains rust and oxidation inhibitors (-20°-350°F)
- Double-lip type TC seals with stainless steel garter springs
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1976-1978 | Yamaha | RD400 | |
| 1979 | Yamaha | RD400 Daytona Special | |
| 1976-1978 | Yamaha | XS500 | |