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  • 12ft x 17ft Jumpking Rectangular Trampoline with Enclosure - Studio
  • 12ft x 17ft Jumpking Rectangular Trampoline with Enclosure
  • 12ft x 17ft Jumpking Rectangular Trampoline with Enclosure

17ft x 12ft Jumpking Rectangular Trampoline with Enclosure (JKR1217G17)

Quick Overview

  • Great even bounce across the mat

  • Best shape for aspiring gymnasts and trampolinists

  • Exclusive size to us




Availability: In stock


This Jumpking Rectangular Trampoline is a garden trampoline that offers as close to a professional jumping performance as possible.  With it's rectangular shape and spring configuration this trampoline allows the bouncer to experience an even bounce anywhere on the jump mat and the 144 springs will ensure lots of bounce.

If safety is a priority, which for most of us parents it is, then this is the trampoline for you. The Jumpking Rectangular trampolines boasts Jumpking's thickest frame yet ensuring optimum stability and strength. 

Featuring a welded socket, the enclosure poles slot directly into the socket behind the legs thus removing the need for brackets and clamps! You have a great looking product that takes less time to assemble compared to other systems. The Jumpking Rectangular trampolines are backed by the Jumpking name; the biggest trampoline manufacturer in the world, with more worldwide sales than any other brand. The build quality of this trampoline is such that the manufacturer provides a very reassuring 10 year guarantee on the frame and 5 year guarantee on the bed and springs.

Advantage Over Traditional Trampolines

  • Multiple jumping zones
  • Easy to attach the safety enclosure with the welded socket system
  • Easy maintenance, no nuts and bolts to re-tighten
  • More user control

Unique Innovation

  • Welded socket - the enclosure poles slot directly into the socket - No Brackets!
  • It looks great, with horizontal shock-corded poles to hold the enclosure in a rectangular form


  • The net uses the 'stitch-in' system for added safety
  • Fully fastened entry/exit door for maximum security
  • Complete peace of mind for the concerned parent
  • Conforms to all safety regulations and EN71-14 tested
  • Ladder included


Additional Information

Manufacturer Jumpking
Size 17ft x 12ft Rectangular
Next Day Delivery Yes
Bounce Area 150 (Sq. ft.) or 13.9 (Sq. m)
Free Gift No
Ladder Included Yes
Cover Included No
Shoe Store Included No
No. of Springs 144
Spring Length 144 x 7" springs
Bed Heavy Duty Polypropylene Permatron
Pad Thickness 20mm
Frame Thickness 57mm
Top Rail Height 89cm
Maximum User Weight 22 stone or 140kg
Frame Warranty 10 years
Spring Warranty 5 years
Bed Warranty 5 years
Pad Warranty 2 year
Net Warranty 2 year
  •  Included with this trampoline:
    • Fully integrated safety enclosure
    • Ladder
    • Free next day delivery*
  • Size: 12ft x 17ft
  • Frame: High strength (57mm dia) galvanised steel top rail
  • Padding: 25cm wide and 20mm deep, closed cell foam with black laminated vinyl covering
  • Springs: 144 springs of 7"  heavy duty high tensile steel 
  • Entry Height: 89cm 
  • Bed: Heavy duty polypropylene permatron jumping surface
  • Enclosure Net Support System: welded socket - no extra brackets or clamps
  • Unique Jumpking 'shock-corded rod' system
  • Package dimensions: 188.5kg 150x63x15cm box 1, 150x63x30cm box 2, 150x63x25 box 3
  • Weight limit: 22 stone or 140kg
  • Conforms to: ASTM and TUV

We are pleased to offer reduced priced accessories when ordered with the trampoline. Please use the tick boxes above to make your selection

Trampoline tie down kit  

The trampoline tie down kit is becoming more and more popular. As our weather appears to be ever more changeable we are seeing increasing numbers of customers looking for replacement parts for trampolines that have flown over into next door's garden.

Trampoline speaker   Just put your iPod or other MP3 player into the casing and strap the speaker to your trampoline. Simple! You could also strap it to your garden furniture parasol, the handle bars on your bike or even use it in the shower (it is shower proof!)  NB these speakers can only be used with small MP3 players/phones.
Jumpking Rectangular Bed Cover   Our range of covers have a superb finish and fit on to the trampoline beds only. Therefore they are a suitable option for trampolines with enclosures fitted, allowing you to cover the bed of the trampoline without taking the enclosure off. Our covers provide protection from leaves, bird mess and other unwanted debris - as well as letting smaller members of the family know that the trampoline is out of bounds until Mum or Dad are around!

Shoe Store   This handy shoe tidy will help prevent young children tripping over discarded shoes around the trampoline, not to mention stopping the dog running off with your best trainers!



Please check out the wonderful customer videos below for an idea of how much fun you can have on one of these trampolines. However, please use the trampoline safely. Tricks and flips need to be learned with care, preferably under guidance from a suitable adult. Please also remember you should only have one user at a time on a trampoline.


We have the largest range of Jumpking trampolines available in the UK today. If we don't have a Jumpking Trampoline to suit you, no one will!

The Jumpking trampoline brand is the biggest in the world today and they have been making trampolines for approximately 50 years. Jumpking is the market leader with great trampoline innovations and the manufacturing facility now produces approximately 60% of the world's trampolines. As well as the highest standards of quality, Jumpking pride themselves on the continual development of their products, as can be seen by their huge range. Jumpking trampolines are all designed with safety as the first priority. All trampolines meet or exceed ASTM and TUV standards. Jumpking trampolines also come with a comprehensive range of accessories to add to the experience. Jumpking Trampolines provide fun, exercise, health, fitness and safety for the whole family. We at MadFun have been supplying Jumpking Trampolines since our very earliest days and due to our product knowledge and keen prices have become one of the most successful Jumpking retailers in the UK today.

Why buy a 'JumpPOD'?
All of our Jumpkings are PODs. They are the next generation Trampoline, providing two of the original trampoline products (trampoline and enclosure) and putting them together in one unit. Featuring the Tri-layer Socket, the enclosure poles slot directly into the trampoline top rail, completely removing the need for brackets. You have a great looking product that takes less time to assemble compared to any other system. Plus, the new Euro-Spring 'over and under' configuration reduces stress on the frame, increasing durability and optimising the jumping performance.

Jumpking OvalPOD Oval Trampolines
The Jumpking oval shaped trampoline was specially developed for the UK market. The Ovals combine the outstanding performance of a rectangular trampoline with the proven safety features of the best selling JumpPOD and here at MadFun we can offer you 5 different sizes of OvalPOD.

Jumpking Rectangular Trampolines
These brand new designs arrived in the UK May 2016 and have been hugely popular. As with indoor competition trampolines, the Jumpking Rectangulars have a 'sweet spot' in the centre but also offer an even controllable bounce across the entire bounce mat.



This item is despatched free of charge on a next working day service to England, Wales and parts of Scotland. Orders received before 1pm will be despatched the same day. Customers living in the areas listed below will incur a surcharge, which will be added at checkout. Please note - free delivery only applies to orders over £50.

Delivery Surcharge Areas

Scottish highlands: IV1-4, IV6-29, IV32-40, IV42, IV52-54, IV63, KW1-14, PA36, PA38-40, PA50, PH19-26, PH30-41, PH49-50, Isle of Wight

Unfortunately we are unable to deliver to the following areas:  all Scottish Islands, Isle of Man, Northern Ireland, Eire, Scilly Isles, Channel Islands

* Free next day delivery applies to non-surcharge areas only

Feefo Product Reviews - Average 100% (10 reviews)

Date Score Customer Comment Our Response
31-Jul-2017 Product:

Perfect bounce and trampoline looks great ! All who have tried it say it is fantastic and the shape and size work so much better than our 14ft round one. The only problem was the instructions, we found them hard to understand and we erected it when the wharehouse was closed so we could not ask for... Read More. Thank you for taking the time to give us valuable feedback. We have contacted the manufacturer with your comments to so they can improve this in the future. We are pleased that you are enjoying the trampoline.
02-Jul-2017 Product:

Last one lasted 12 years so researched a lot for a good replacement. So far, my son had been on it approx 2 hours a day! Loves it as do we!
16-Jun-2017 Product:

Superior product well finished better then all the others i looked at
01-Jun-2017 Product:

Good quality trampoline. Great fun for all the family. Didn't seem to have quite enough cord for enclosure hence 4 stars
22-Apr-2017 Product:

So far great product. Paid to have it built which was fabulous service. Amazing size - good enough for my 3 children to practice their trampolining and tricks.
17-Apr-2017 Product:

Well this was bought for the kids so can't comment on it from a personal level. What I will say is my 10 year old son hasn't been off the thing since it arrived, rain or shine. I can comment on the build quality, which is brilliant. Its relatively easy to assemble and tool around 3 hours.
19-Oct-2016 Product:

Instructions not the clearest in the world
04-Oct-2016 Product:

Very sturdy. Great size for gymnasts.
02-Oct-2016 Product:

The item was built the same day and is excellent,very happy would recommend to everyone.
23-Jun-2016 Product:

It's Excellent. Thank you.
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