Fly Racing Prizm Knee Guard - Review

Jul 1, 2015
by Mike Kazimer  
Fly Racing Prizm knee guard review

If their recent signing of Shaun Palmer is any indication, Fly Racing's expansion into the mountain bike world is rolling right along. The Prizm knee guard is the Boise, Idaho, company's newest addition to their line of protective wear, a low profile pad that also achieves CE Level 1 certification. At the heart of the Prizm is a high density memory foam that's been strategically sliced in several places so that it better conforms to a rider's legs, similar to the way a tire is siped for additional traction. The foam is also claimed to be body temperature sensative, becoming more pliable once the pads are pulled on.

When it comes to fit, Fly Racing haven't skimped on the Prizm's details, and the knee guards are full of features meant to help keep them securely in place. From the floating patella cap, complete with strips of silicone for extra grip, to the elasticized drawstring that cinches the pad in around the calf, it's clear that Fly Racing didn't hold back in their quest to prevent the pads from slipping down during a crash. Available in sizes S, M/L, and XL, the Prizm knee guards retail for $84.95 USD.


Fly Racing Prizm knee guard review
An elasticized drawstring holds the pads in place around the calf.
Fly Racing Prizm knee guard review
When not in use, the cord tucks into a mesh pocket.

Fit and Function
The Prizm knee guards have a fairly low profile appearance, but there's still enough padding in place that I never felt like I was underdressed, even when dropping into terrain littered with sharp, jagged rocks. I did have a few encounters with the ground when wearing the Prizms, and in all instances the pads (and my knees) survived unscathed. There are a couple of cuts on the mesh fabric from pointy pedal pins trying to puncture my calves, but I'd rather have a couple tiny holes in a set of pads than in my leg.

Pedaling comfort is excellent, and I didn't experience any chafing or hot spots when wearing the pads. Riders that prefer to slide their pads down on the climbs will find that this method isn't quite as convenient with the Prizm due to the extra length underneath the kneecap, and they also get a little warmer than thinner options, but both are acceptable tradeoffs for the amount of coverage the pads provide.

Issues
The only thing I wouldn't mind seeing is a slightly taller upper cuff. The knee cup and cinch at the back of the calf kept the pads from ever sliding down, but the cuff does have a tendency to slide a little and bunch up a bit at the top of the pads - a slightly taller and thinner cuff would be a simple way to fix this.


Fly Racing Prizm knee guard review
In addition to the main pad that covers the knee and upper shin, padding is found along the side of the knee as well.
Fly Racing Prizm knee guard review
The upper cuff could stand to be a little taller to keep it from bunching up.


Pinkbike’s Take:
bigquotesThere seems to be a strange trend lately - as bikes have gotten more capable, and riders are able to go faster and faster without worrying about their equipment failing, knee pads have gotten smaller, often providing only a hair more protection than a set of knee warmers. Those knee warmers in disguise may be fine for a casual trail ride, but for laps in the bike park, or really any time where the speeds are high and the terrain is technical, something a little more substantial is required to help keep your skin where it belongs during a crash, which is where the Prizm knee guards come in.

For DH riders looking for a low profile option that still provides enough protection, or even all-mountain and enduro riders looking for a little extra coverage, these guards fits the bill thanks to their super-secure fit, CE Level 1 certification, and well thought out design. - Mike Kazimer


www.flyracing.com



25 Comments

  • + 16
 pretty Fly for a Kneepad
  • + 1
 Hola David las Troy lee Lopez son las mejores de toda la historia creo yo. Sobretodo porque me he caído un par de veces con ellas y he tenido cero lesiones
  • + 1
 la Lopes a veces se bajan... mis favoritas son las Race Face Flank/Ambush y las Dainese Oak Knee Hard Short Evo... pero lo que tienen las Fly es que son mas endureras... o para uso más liviano, hasta aguantan para hacer Dirt y usarlas debajo del jean
  • + 1
 Vacano ese consejo. Saludos desde ecuador. Arte el monta un parcero del Enano de marcelo y de bisoño saludos
  • + 1
 Hola!. Por lo que veo son buenas para rapones y cosas asi pero, ¿que tal seran en un golpe seco contra una piedra o el piso?, ¿Protegeran igual que unas rigidas?.. Gracias!
  • + 10
 That's the kind of Prizm I wouldn't mind doing time in.
  • + 8
 "If their recent signing of Shaun Palmer is any indication".
You mean he's broke?
  • + 3
 No, It means it can also be used for Snowboard.
  • + 5
 It means they couldn't convince any currently racing pro's to endorse their products
  • + 6
 I tried these on at Fly's booth at a race and bought them. Similar coverage to ixs carves, raceface flank, etc, but way more comfortable to bend your knee in.
  • + 4
 Good to know, I think I may pick up a pair.
  • + 5
 Can´t believe that every knee protection have the same problem!
The material on the sides is always to sinn and tears after contact with ur pedals or after crash...
  • + 2
 Nice, just a shame they forgot out one tiny detail. If they had a hardshell knee protector over the fabric covered one then this would not snag on the ground and is even less likely to pull them down your leg.
  • + 2
 Anyone know how well these do on patellar support? I wear a knee brace when riding because my knees hurt and need the support.
  • + 1
 I'm the same... in fact just had re-constructive surgery on my knee 2 days ago, but that's beside the point! Any how, I don't think these look like they are particularly supportive compared to proper knee supports. In the pictures they look pretty loose/baggy which is why I don't think they will give the support. I use CTI knee braces... expensive but so good.
  • + 1
 Check out pics from the Snowmass (I think) BME race this past week. Krista Park had a proper looking knee brace and knee pads on. I didn't check if you could see the brand, but she took third wearing it...
  • + 1
 They seem loose in the picture, but you can adjust them with the back drawstring and they will be perfect
  • + 3
 The drawstrings are a sweet idea... I should try to retrofit it to my trailskin top elastic...
  • + 1
 Tall upper cuffs made with strecthy, light weight material are so important. I think the specialized pads have this along with some of the 7idp options.
  • + 1
 I find knee pads a must but haveing knobby knees really makes it hard to find a set that fit well . TLD fitted well but again same issue with the pulling down when I ride
  • + 1
 and all the girls say it's pretty Fly for a kneepad
  • + 1
 These are gonna make me so FLY!
  • + 0
 You're gonna be the fly-est!
  • + 1
 LOL
  • + 1
 That badge at the knee cap will fall off.

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