Sector 9 Grinder 46 Complete Longboard Posted on April 17, 2010 by Longboard Mike Reply Sector 9 Grinder 46 Complete A long standing flagship of the Sector 9 line, this board has been copied by many but equaled by none. The Grinder is just that. The perfect board for easy or high speed cruising. 7 plies of maple pressed into a cambered mold with a sweet bowl concave and small but useful tail. Deck 46.0L x 9.5W x 31.75WB Trucks 9 Gullwing Alpine Trucks Wheels 70mm/78a Nineball Wheels Bearings Abec 5 Greaseball Bearings Hardware Full Grip Tape w/ Die cut for logo, 1.5 Bolt Pack, Mini Risers