The Shadow Conspiracy Definitive Cassette Hubis the most advanced hub that Shadow has produced to date. With 120 points of engagement, the Definitive Cassette features a 3 pawl engagement system that uses 4 notches on each pawl for almost instant power transfer. The sleek and low profile hub shell is CNC’d from 6061-T6 alloy, with precision bearings, 7075 hardware and printed logos. Low drag, high engagement with minimal pedal gap. ###section### Product Specs HUB TYPE:Cassette AXLE:14mm, Male, CrMo, Hollow Axle with 6mm allen key insert DRIVER:9T SPOKE HOLES:36h WEIGHT:TBC