MAST HD BASE SHEAVE NAC/P18/19

Prindle Mast Head sheave, Nacra Base

Replacement sheave for mast base on Prindle 15, 18, 18.2, 19 and Nacra 2003 and later mast head. Sheave measures 1-1/8" diameter x 3/8" wide. Performance Sports factory item #6804. Please note that this item replaces #6803 that is no longer available.

Specs: mm - inches
Diameter: 28mm - 1 1/10"
Width: 10mm - 3/8"
Hole diameter: 7mm - 1/4"