Spartaks Strength Magnetic Rack Attachment Pin Black Friday pivot bearings

pivot bearings

Provides consistent tension throughout the entire range of motion for effective muscle stimulation

the rear delt function specifically addresses the muscle imbalances that contribute to poor posture

moving your arms backward to target the posterior deltoids and upper back

iso-lateral arm assemblies

Spartaks Strength Magnetic Rack Attachment Pin Black Friday pivot bearingsDescription Never lose a pin again. The Spartaks Magnetic Rack Attachment Pin locks your J cups, safety arms, and other rack accessories firmly in place during use, with a built in magnet that keeps the pin attached to the rack the moment you pull it out no more pins on the floor or missing mid workout. The mechanical lock does the securing; the magnet just makes sure the pin stays put when you're adjusting height between sets. Tool free, pull and