Kewlus DIY Cobra Bag Spring (KS2)
Kewlus DIY Cobra Bag Spring (KS2)
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Save a ton of money by making your own DIY Boxing Cobra Punching Bag with the KS2 Cobra Bag Spring. Increase the speed to your liking, yes with the KS2 the speed is adjustable! This spring is designed to fit easily onto a 3/4 inch pipe and simply held in place with a butterfly hose clamp. Increase the speed by moving the spring lower onto the pipe, thus reducing the number of active coils.
DIY Instructions
For complete DIY build instructions including a video using the Kewlus PRO Spring, click here.
Reviews & Build by Others
Check out one of the top boxing gear reviewers on YouTube, Carlo Rosauro to see his hands on take on the spring as well as his full build:
Here's a video of the spring in action (DIY bottom section and base) posted by a customer:
Shipping Info
Shipping Info
Shipping is calculated at checkout with the following average shipping times.
USA & Canada
USA and Canadian orders will be shipped from Canada and takes just 2-3 days to most locations.
Limited Time Special Offer for USA customers: Orders to USA & Canada over $100 USD get free shipping.
Australia & NZ
Australian orders will be shipped from Queensland and takes just 2-3 days. NZ orders take 7-14 days.
The Rest of The World
All of the orders for the rest of the world are shipped from Canada and takes around 1 week to deliver.
Please note that you may need to pay import tax in some countries. Please check with your country's importation laws to find out how much tax would be charged.
Tracking
You will receive an email with a tracking link as soon as your order is shipped from the warehouse. Please note that orders are not shipped on weekends or public holidays.
Pre-Ordering Products
Some products are available to pre-order and receive as soon as the are in stock. Please note that if you order these items together with other products, you whole order will not be shipped until every item in your order is available. All items in your order will be shipped together at the same time.
