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Forcefield Replacement Knee Armor
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Forcefield Replacement Knee Armor

The Forcefield Upgrade Performance Armor is designed to replace existing armour inserts and are available in pairs for shoulder, arm, leg and hip. Using Nitrex Evo® a unique high tech shock absorbing material energy can be dispersed evenly over their surface whilst remaining flexible and comfortable.


  • Constructed from Nitrex Evo® armour
  • RPT (Repeat Performance Technology)
  • Moulds to body shape
  • Perforated and breathable
  • Flexible
  • Lightweight
  • CE approved
  • Sold as pair
  • 300mm maximum height
  • 120mm maximum width
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Forcefield Replacement Knee Armor 4.8 5 4 4
The best thing about this armor is that you don't know it's there. I am completely satisfied with this knee armor. It quickly conforms to your body. Once it was in place I forgot that it was there. Luckily I have not had the need to test it out, but it feels like it would perform as expected. I will probably replace all my armor with this armor at some point. November 3, 2014
Good upgrade for my Tourmaster pants My riding stats: Daily commute, rain or shine. Roughly 1 hour give or take 20 mins (DC traffic), ranging from 80mph to stop-and-go. Still a rookie rider though- started in February. After a couple of months fiddling with the knee armor in my tourmaster flex pants (AWESOME pant, btw, highly recommend for others looking for a very adaptive pant to go over your work clothes), I figured it was time to upgrade. The stock armor protected nicely but it just wasn't the right shape for my tree-trunk legs, and the hard plastic construction would sometimes dig in to my knees while riding. Nicht so gut. I'll start with the negatives. I ordered these as an upgrade after much searching (not easy to find verified fitment info for these pants). These inserts are much longer than the stock armor (hence the slightly large fitment rating), and much softer (hence the slightly lower protection rating). It was a tight fit at first, but once they were in its like they were tailor made. I have no doubt that these will save my skin if I go down, but they are a bit softer and a very unscientific pound-my-fist-on-my-knee-while-wearing-the-inserts test yielded less pain to my fist and more to my knee than the stock armor. They are also a bit more than I would like to spend, but no product is perfect. I can't speak to air flow since its currently cold out and my pants are all sealed up from the wind. Pros- 1000x more comfortable than the stock armor. I hardly notice its there, and that's the main reason I wanted to upgrade. Also, no offense to tourmaster, but I just plain trust the Forcefield armor rating better than Armadillo, so despite having a softer insert that seems to transmit more impact from a fist bump, I'm betting that these will provide much better protection in the event of an accident. Overall I'm very happy with this product and with Revzilla's once again fast and flawless service! October 25, 2013
Does the job OK Well, it's knee armor...and I'd have to crash to really test it...and luckily I haven't done that. I bought this to replace the knee armor in my olympia Airglide pants. I couldn't make the stock pads fit...they were too short in the stock position, but too long to fit in the pocket if I raised them up. These pads are longer than the Olympia pads were, so lengthwise they work better. But the Olympia pads were a bit wider...I feel if they had been the right length, they'd have covered my knee better. They seem, when I hold them, to be better made and a better 'protection'...but that's just a subjective observation. for me, the point was that they were longer, and so they cover my knee better than the stock pads. October 7, 2013
Fits Dainese Got these to replace the knee armor in my Dainese leather pants and they fit great and look like way better protection than stock. December 17, 2012
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Have a functionality, fit, or otherwise product-specific question about the Forcefield Replacement Knee Armor? Ask it here! If you have a customer service or shipping question, please direct it to our Customer Service department.

Forcefield Replacement Knee Armor
Already Asked: 2 Questions, 3 Answers
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RevZilla Store asked: Why did you choose this?
Keith T: Replacment for OEM foam armor in my Joe Rocket mesh pants. No problem with fit. Jun 17, 2014
Sean C: Solid protection technology, 'bendable' so I can fit into my Harley brand jacket. Wanted to upgrade protection. Jan 17, 2014
Fredrik G: Need well ventilated protection(lives in Brasil) Dec 9, 2013
A shopper asked: Would it fit Rukka Armas pants? Apr 21, 2014
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Product Style RevZilla Item # Manufacturer Product # Availability
Forcefield Replacement Knee Armor 869200 FF-4004-TK In Stock: Ships next business day