Compensation pads [961]

Polyurethane pads advantageously replace the spring washers.

Fits only on square forged GUPM equiped with a compensation chamber (most of the Series1, and a few Series2)

SBO 1 - SBO 1 Lab - SBO 2/3 - SBO 2F - SBO 4/4 - SBO 4/6 - SBO 6/6 - SBO 6/10 - SBO 10/10 - SBO 10/14 - SBO 16 - SBO 24/26

Greater reliability

Easier adjustments

Avoid the tedious counting and stacking of the spring washers, when doing a refurbishment