Snap-Back Rollers V 1.1 Monolift Attachment

The Mutant Metals Snap-Back Rollers V 1.1 are a rack-mounted monolift attachment that combines a swing-arm monolift with a roller J-cup, letting a solo lifter unrack for bench or squat without a walkout or a spotter’s liftoff. Torsion springs – not counterweights – snap the arms back into the housing the instant the bar clears, so the unloaded unit sits as one clean, lockable piece rather than a loose swinging arm. The dense composite rollers let heavy loads (reviewers tested 800+ lb) be recentered with a light push instead of wrestling a standard J-cup’s UHMW into place, and the whole unit is built from 3/8” steel on dual ball-bearing pivots with stainless hardware. It’s available in 2x3 and 3x3 tubing with 5/8”, 3/4”, or 1” pin sizing to fit most Rogue, REP, and Monster-family racks, and the rollers can be locked in place to function as a fixed J-cup when the mono swing isn’t needed. Custom color options for the housing, arm, and UHMW are a rare offering in the mono market. Reviewers rate it best-in-class for bench liftoff; it’s a mixed pick for heavy squats, where the lack of a true walkout feel and a missing front-lip UHMW are its main drawbacks.