U-Cups® Pin size:1" Type 2 adapts 3x3 U-Cups

Type 2 adapts 3x3 U-Cups onto 3"x2" racks (1" rear gap fill)

we recommend our custom

supporting most barbell diameters

Type 6 adapts 3x3 U-Cups onto 2 1/2" x 2 1/2" racks (1/4" side gap fill

Dedicated standing calf machines and Smith machines can take up valuable floor space in your gym

U-Cups® Pin size:1" Type 2 adapts 3x3 U-CupsStay focused on your calves U Cups were designed to prevent tipping backward while doing standing barbell calf raises. The U shaped chamber contains the barbell which allows you to focus 100% on your mind muscle connection until failure. Build calf muscle faster Research shows free weight exercises require greater muscle fiber recruitment to stabilize the load. Rated to handle over 1000 lbs, using U Cups will challenge your calves in a whole new way.