Antal's “One Piece Frame” OPF block, is a light and
strong solution to most strength and weight problems: simply a hard black anodized
and teflon coated aluminium frame in one
A complete range from 50 to 140mm sheaves in
single, double, triple, fiddle, and deck versions,
for webbing or shackle connection.
The resin (aluminium on larger mod) sheave
runs on the main Composite Fiber bearing and
on a ground stainless steel hub: low friction highloads
- no lubricant required.
The self-captive side ball bearing reduces the
friction and makes disassembling, cleaning
and maintenance very easy.
Sheaves are supplied with the stainless steel hub, they
are available separately.