Kalkomat | Punching Bag
The Kalkomat punching bag serves as the core striking element in a Kalkomat boxing arcade machine. Built to withstand powerful punches, it absorbs your strikes effectively while integrated sensors monitor each punch, giving you real-time feedback to enhance your technique and track progress. Its durable leather exterior encases an inflatable inner bladder, working together to absorb force from each hit while keeping the mechanism functioning smoothly.

(Image Above: A Kalkomat Punching Bag)
This Kalkomat Punching bag assembly includes a tough leather outer shell/cover, an air-filled inner bladder for impact absorption (bladder bag), a secure mounting system with carrier screw, an air valve for inflation, and reinforced stitching throughout for long-lasting durability during intense play sessions. It also includes a protective padded sleeve known as the Arm Protector that wraps around the machine's support arm, shielding you from impact on the metal parts during your boxing sessions.
(Image Above: Kalkomat Punching Bag with the Arm Protector)
One of the major components of the Punching Bag is the bladder bag which is the replaceable air-filled insert that gives your punching bag its bounce and responsiveness. Crafted from tough latex, this inflatable core nestles beneath the leather exterior and functions like a balloon, creating that satisfying spring-back sensation with each strike. By maintaining steady air pressure, the Kalkomat bladder bag ensures consistent firmness and impact absorption. It works with your arcade machine's sensors to capture accurate punch force and deliver reliable scoring on every hit.
(Image: A deflated Bladder Bag found inside the punching bag)
Replacing The Punching Bag On Your Machine
Consider replacing your bladder bag if you spot these warning signs that indicate it's time for a fresh one.
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When the punching bag feels soft or flat.
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When the bag has air leaks or won’t hold pressure.
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When the punching bag loses rebound quickly.
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When there are visible cracks or damages.
Replacing your Kalkomat bladder bag is straightforward. Simply untie the rope holding the punch bag together, remove the worn bladder, and insert the new rubber one. The key step is positioning the valve correctly—make sure it aligns with the opening in the leather cover for proper fit and function. Your punching bag will be ready to use once the rope is retied securely. Keep a spare bladder bag on hand to replace yours when it wears out and keep your machine ready to play.
***Never use this punching bag without properly placing the arm protector/protective kit in the right position. It's an essential protective feature for safe punching. Add the arm protector/protective kit to your order when you buy the punching bag for complete protection.
(Image: A Protective 2 piece Kit, also known as an Arm Protector)
Specifications
Dimension: 16.5" Long
Air Pressure: Not more than 2psi.
Shipping
Free curbside, liftgate, and threshold delivery included.
For an upgraded experience, our White Glove Service is available for a $600 flat rate. This includes in-home delivery, full setup, and removal of all packaging
Return and Refund Policy
We want you to be fully satisfied with your purchase! If for any reason you’re not happy, we offer a 90-day return policy from the date of purchase.
Eligibility: Items must be in their original condition and packaging.
Restocking Fee: A 20% restocking fee will apply to all returns.
Return Shipping: Customers are responsible for the cost of return shipping.
Refunds: Once your return is received and inspected, we’ll process your refund (minus the restocking fee) to your original payment method.
Warranty
This manufacturer offers a 1 year limited parts warranty. If you have any questions, concerns, or would like more details about this warranty, please give us a call and we will be happy to help.
Terms and Conditions
Cancelations within 48-hours - $0.00 fee
Cancelations within 7-days - 5% fee