Flat Sandwich J-Cups 1.0

Name: Flat Sandwich J-Cups 1.0
Brand: REP Fitness
Rating: 5.0 (4 reviews)

Flat Sandwich J-Cups are the barbell cradles that hold the bar on a REP rack. The “sandwich” design lines the whole cup in UHMW plastic to protect your bar knurl and adds a plastic liner against the 3x3 upright, and the laser-cut, rounded-corner steel is rated to 1,000 lb. The flat back profile keeps the bar close to the upright for a consistent un-rack.

Buy them as replacement or upgrade cups for a 4000/5000-series rack. If you are adding a dip or spotting station to the same rig, see the Monster Lite Matador and Spotter Arms.

Type	J-cups (pair)
Steel	laser-cut, UHMW-lined
Capacity	1,000 lb
Compatible with	REP 4000/5000 (3x3)

What is a Rack Attachment?

What rack attachments are

Rack attachments bolt or pin onto a power rack or squat stand to expand what it can do — J-cups and safety arms/straps (the essentials), plus dip bars, a landmine, a lat pulldown, weight-plate storage, roller J-cups, and more. They turn a rack into a whole gym.

Compatibility comes first

An attachment must match your rack’s upright size (2x2, 2x3, or 3x3) and hole pattern/hardware (e.g. 5/8-in vs 1-in holes, Westside spacing). Attachments are usually series-specific — a Monster Lite J-cup won’t fit an Echo upright — so confirm the fit before buying.

How it compares

	Flat Sandwich J-Cups 1.0	Monster Lite Matador	Spotter Arms
GymRadar rating	5.0/5	4.01/5	4.48/5
Price		$110.00	$159.99
Type	J-cups (pair)	dip station
Steel	laser-cut, UHMW-lined	3x3 7-gauge	3x3 11-gauge
Capacity	1,000 lb
Compatible with	REP 4000/5000 (3x3)	Monster Lite (3x3)