Skateboard Parts Sector 9 Nine Ball 74Mm 78A (4) Review April 8, 2018July 13, 2018 GiantPandaisy 0 Comments Outdoor Recreation, Sector 9, Skateboarding, Skateboards & Scooters, Skates, Sports & Outdoors Imported 74mm Top Shelf Offset / 78a 50mm Contact Patch