REP Fitness ISO Arms
Best rack attachment for home gym users seeking versatile, space-saving strength training.
These attachments transform your existing power rack into a versatile, commercial-grade lever gym without eating up precious floor space. While you sacrifice the dedicated footprint of a standalone machine, you gain the ability to perform dynamic, unilateral movements that standard barbells simply cannot replicate.
$559.99
at
REP Fitness Official Website
Who it's for
- Athletes seeking versatile, gym-quality unilateral training at home
- Lifters prioritizing safe, consistent resistance for heavy compound movements
- Home gym owners maximizing limited space with rack-mounted equipment
Who should skip it
- Budget-conscious buyers looking for affordable rack attachments
- Workout enthusiasts who value quick, seamless exercise transitions
- Users with tight floor space around their power rack
Performance breakdown
Build Durability
Heavy-duty 11-gauge steel construction handles serious weight without flexing.
Exercise Versatility
Unilateral and bilateral movement options unlock a massive range of exercises.
Space Efficiency
Vertical storage design keeps your floor clear when not in use.
Adjustment Fluidity
Smooth bearing design allows for seamless transitions between dynamic movements.
Rack Compatibility
Four-way hole pattern ensures seamless integration with standard 3x3 racks.
Ergonomic Adjustability
Knurled handles offer multiple grip orientations for customized lifting comfort.
Key Specs
Attachment Weight
4000 Series: 66.2lbs & 5000 Series: 68.4lbs
Attachment Length
42"
Attachment Width
30.87" Including Weight Horn & Handle
Hole Size
4000 Series: 5/8" & 5000 Series: 1"
Weight Horn Diameter
2"
Weight Horn Length
12.8"
Material
3x3" 11-Gauge Steel
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