Fully-adjustable clutch weights allow modifying of clutch to match riding style and conditions Uses your stock P-drive clicker Adjustable from 48g-81g Weight kit includes: adjustable weights (48g), magnets (1.3g), short pivot bolt (12.8g), long pivot bolt (15.4g), pivot bolt washers (1.1g), long tuning screws (1.8g), short tuning screws (1.2g), tuning screw washers (0.3g) and a 4 mm Allen wrench. WEIGHT SET ADJUSTABLE