The whole "composite fibre" range uses
sheaves on composite fibre bearings
and double self-captive Delrin ball thrust
The sheaves are easy to dismantle for cleaning
and need no lubrication.
The sides are made of 3571 TA16 light alloy
and are thickly anodized to ensure absolute
wear-and corrosion proofing, with all the
edges smoothed off for better handling.
The nuts and bolts have been replaced with
recessed screws and pins, considerably
reducing weight and eliminating any projecting
The steel coupling revolves on a fibre washer
and can easily be locked in one of two main
Part Number: 911.154