Allen Dynamic 30mm Composite Cheek Block Tracking_Boardfy 85% Polyvinyl Chloride / 15%

85% Polyvinyl Chloride / 15% polyester

New quick lock lacing system makes it easy to put on and take off

5mm neoprene we use is thin yet incredibly warm

Aluminum Cam-Matics are hardcoat-anodized for high-load

and reduced chafing

Allen Dynamic 30mm Composite Cheek Block Tracking_Boardfy 85% Polyvinyl Chloride / 15%Our Dynamic range is generally the best choice for applications that require constant sheave movement. Cheek blocks are designed to be fixed to a flat surface. Ideal for leading lines along a deck, into a cleat or around corners. Held in place by two screws. One screw through the middle of the sheave and the other through the countersunk hole in the head of the block. Bearings Dynamic Blocks feature our patented bearing system which uses twin rows of