Track Kinetic Obsidian Select Weight:13 lbs. but the solid and pearl

but the solid and pearl blend creates a little more length and continuation on the back part of the lane

This symmetrical weight block offers a higher RG of 2

BOWLING BALL COVERSTOCK TYPE: Plastic

Beat the competition on the lanes using this U

Spandex finger gussets for comfort and breathability

Track Kinetic Obsidian Select Weight:13 lbs. but the solid and pearlTrack continues the popular Kinetic series in the Track Kinetic Obsidian. This ball features the modified Kinetic core which has a low RG, medium differential, and low mass bias. These components allow this ball to save its energy longer but use it quicker. Track has combined this core with a solid version of the DR 7 coverstock which gives length with a strong reaction at the backend. With a 500 2000 grit finish this ball is recommended for medium to