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ARC Force | R8 Jammer Arms
Variable resistance curve depending on the exercise | either free or guided movement | easy height adjustment | 2 Weight Pins per arm
ARC Force | R8 Jammer Arms
Sale Price$729.00
Product Features
R8 Jammer Arms with Adjustable Resistance Curve
- Fits all R8 Power Racks
- Adjustable weight arm with a 180° rotation range
- Mounting possible at the front and rear of the Jammer Arm
- Adjustable resistance curve depending on the exercise
- Optimized force curve for push and pull movements
- Effective training for chest press, shoulder press, rows, and more
ARC Technology – Adjustable Resistance Curve
- Maximum control over resistance and movement path
- ARC Technology enables an individually adjustable resistance curve directly on the machine
- Designed to precisely adapt force profiles to every exercise and every movement
- ATLETICA technology for targeted control of resistance and movement profile
- The basis for a new generation of training equipment with machine-like biomechanics
Free or Guided Movement
- Lockable movement path via knurled screw
- Choice between free and guided movement
- Convergent or parallel movement adjustable
- Individual adaptation to biomechanics and exercise
- Machine-like training directly on the rack
Precise Adjustment & Control
- 9-hole system for defining the starting position
- Fine adjustment via 20 mm Mag Pin
- Adjustable weight arm with 5 usable positions
- Quick adjustment without tools
- Maximum control over movement angle and starting point
Maximum Grip & Training Variety
- Up to 6 different grip variations depending on the setup
- Ø 32 mm knurled grips for a secure hold
- Quick adjustment via large knurled nuts
- 2 weight pins per arm for flexible loading
- Ø 50 mm sleeves for Olympic weight plates
Solid Construction & Premium Materials
- Double ball-bearing mount for low-friction movement
- Solid steel construction, up to 5/16-inch material thickness
- Lever arm with 2"x2" 8-gauge profile, lightweight yet highly load-bearing
- UHMW plates to protect the uprights
- Zero-play fixation via an additional locking screw on the holder
- Stainless steel logo with a precise laser-cut finish
Intuitive Adjustment & Space-Saving Storage
- Tool-free height adjustment via two 25 mm Mag Pins each
- Jammer Arms easily removable from the holder
- Nearly weightless adjustment of the holder
- Integrated storage hooks with a safety pin
- Space-saving storage directly on the rack
Specifications
Dimensions
| Net Weight | 50 lb (Jammer Arm without holder) |
| Color | R8 Black |
| Length | 35" (lever arm) |
Material & Construction
| Steel Type | Steel Alloy |
| Square Tube | 50x50mm |
| Steel Thickness | Lever arm 8-gauge, holder 1/4" or 5/16" steel |
| Coating | Double powder-coated |
Policies & What's Included
Attachments/Accessories
| ARC Force | R8 Jammer Arms | 1x Pair |
| Weight Pins | 4x |
Warranty & Certification
| Attachment Warranty | 5 years |
Delivery & Assembly
| Shipping | Freight delivery |
| Scheduled Freight Delivery | Email announcement with date selection |
Service & Return Policy
| Return Policy | 100 days after purchase |
| Return Process | Carrier pickup on preferred date |
Service Included
| Training Plan and Equipment Support | 1h Online Consultation Included |
| Quick Troubleshooting Service | 7-Day Remote Help Service |
Customer Reviews
R8 Jammer Arms with Adjustable Resistance Curve
- Fits all R8 Power Racks
- Adjustable weight arm with a 180° rotation range
- Mounting possible at the front and rear of the Jammer Arm
- Adjustable resistance curve depending on the exercise
- Optimized force curve for push and pull movements
- Effective training for chest press, shoulder press, rows, and more
ARC Technology – Adjustable Resistance Curve
- Maximum control over resistance and movement path
- ARC Technology enables an individually adjustable resistance curve directly on the machine
- Designed to precisely adapt force profiles to every exercise and every movement
- ATLETICA technology for targeted control of resistance and movement profile
- The basis for a new generation of training equipment with machine-like biomechanics
Free or Guided Movement
- Lockable movement path via knurled screw
- Choice between free and guided movement
- Convergent or parallel movement adjustable
- Individual adaptation to biomechanics and exercise
- Machine-like training directly on the rack
Precise Adjustment & Control
- 9-hole system for defining the starting position
- Fine adjustment via 20 mm Mag Pin
- Adjustable weight arm with 5 usable positions
- Quick adjustment without tools
- Maximum control over movement angle and starting point
Maximum Grip & Training Variety
- Up to 6 different grip variations depending on the setup
- Ø 32 mm knurled grips for a secure hold
- Quick adjustment via large knurled nuts
- 2 weight pins per arm for flexible loading
- Ø 50 mm sleeves for Olympic weight plates
Solid Construction & Premium Materials
- Double ball-bearing mount for low-friction movement
- Solid steel construction, up to 5/16-inch material thickness
- Lever arm with 2"x2" 8-gauge profile, lightweight yet highly load-bearing
- UHMW plates to protect the uprights
- Zero-play fixation via an additional locking screw on the holder
- Stainless steel logo with a precise laser-cut finish
Intuitive Adjustment & Space-Saving Storage
- Tool-free height adjustment via two 25 mm Mag Pins each
- Jammer Arms easily removable from the holder
- Nearly weightless adjustment of the holder
- Integrated storage hooks with a safety pin
- Space-saving storage directly on the rack
Dimensions
| Net Weight | 50 lb (Jammer Arm without holder) |
| Color | R8 Black |
| Length | 35" (lever arm) |
Material & Construction
| Steel Type | Steel Alloy |
| Square Tube | 50x50mm |
| Steel Thickness | Lever arm 8-gauge, holder 1/4" or 5/16" steel |
| Coating | Double powder-coated |
Attachments/Accessories
| ARC Force | R8 Jammer Arms | 1x Pair |
| Weight Pins | 4x |
Warranty & Certification
| Attachment Warranty | 5 years |
Delivery & Assembly
| Shipping | Freight delivery |
| Scheduled Freight Delivery | Email announcement with date selection |
Service & Return Policy
| Return Policy | 100 days after purchase |
| Return Process | Carrier pickup on preferred date |
Service Included
| Training Plan and Equipment Support | 1h Online Consultation Included |
| Quick Troubleshooting Service | 7-Day Remote Help Service |
Still Have Questions?
Where do you ship your products?
We ship nationwide across the United States. Small parcels up to 150 lb ship with FedEx. Anything from 150 lb ships as XPO freight on a pallet, scheduled by appointment, and every freight shipment includes liftgate service and curbside delivery.
If you have any questions about delivery to your address, please contact our support team.
How long does delivery take?
We ship within 1–2 business days of your order. Parcels arrive within 1–6 business days depending on your state (most within 5); freight deliveries on a pallet take 5–10 business days and are scheduled with you by appointment. You receive a shipping confirmation with tracking by email. Please also check the delivery time shown on the product page.
How much does shipping cost?
Shipping is free on every order within the contiguous US (48 states). Small parcels up to 150 lb ship with FedEx; anything heavier ships as XPO freight on a pallet, by appointment, with liftgate service and curbside delivery included. Alaska, Hawaii and other destinations on request.
Where is your Brand Store?
Our US team is based in Corona, California: ATLETICA USA LLC, 1645 Leeson Lane, Corona, CA 92879. Our Brand Store is open Monday – Friday, 8 AM – 4 PM PT — come by anytime during these hours to see and try the equipment, no appointment needed. You can also email service@atleticagear.com or call +1 (833) 958-8102 to check availability or arrange a consultation.
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