Our exclusive roller jcups allow for easy bar placement adjusting and fit racks with 5/8″ holes and 2.3×2.3″ tubing.
The unique and extraordinarily useful design of these exclusive to Bells of Steel jcups allows you to quickly and easily adjust the position of your barbell. The heavy-duty nylon rollers will never scratch your bar either.
Designed for use with a 60x60mm box section, and 5/8inch pin holes.
Can be used on Residential rack 4.1 and above, Light commercial rack 5.0 and above, folding rack 2.1 and above, utility rack, Yoke, Brute 4.1 and above and squat stands 3.0.