Phas-Lok Series Information
The Phas‑Lok Adjusting Hub is an economical, yet precise device. It provides an easy way to change the phase relationship of a drive component and the shaft. It is ideal for fine tuning timing adjustments, adjusting for chain elongation, and sprocket tooth wear. The Zero‑Max Phas‑Lok provides an accurate, mechanical adjustment within a 24 degree range (±12°).