| Year | 1995 |
| Date | 21-Apr |
| Volume | 174 |
| Issue | 3,991 |
| Page | 502 |
| Category | Pete's Page |
| Part | |
| Title | Ratchets and Freewheels |
| Author | Peter Spenlove-Spenlove |
| Notes | The modern roller clutch type. How it works, lubrication, type and a note on hardening, manufacturing methods |