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The Leatt C-Frame Knee Brace is an entirely new approach to further help prevent knee injuries for motorcycle, ATV and snowmobilers. No knee brace can prevent all foreseeable knee injuries but Leatt laboratory engineers and other medical professionals have come up with a radical departure in design to help further reduce injuries over what traditional cage type knee brace designs can do. The Leatt C-Frame Braces are certified as medical devices, and may be prescribed by a doctor.
The C-Frame is based on three point force distribution, and has a super stiff C-arm mono hinge design for maximum force control. Having a single hinge, mounted towards the outside of the rider’s knee, means the rider can better grip the bike with the inside of their knee that is closer to the bike than other designs allow. A comfortable, low profile shin bone plate replaces traditional arms for better comfort and better rotation control. This plate also allows rider with larger calf muscles to wear a knee brace for the first time. InteliLink hinge with double pivot points, BioLink hinge ligaments and sealed bearings inside better replicate natural knee motion and have a very long lifespan. Vented upper leg plates eliminate the narrowly focused sideways forces on the soft tissues of the thigh. This increases sideways bending of the knee as well as helps reduce rotational forces. It also allows for better fitment on more shapes/sizes of legs without the need for expensive custom molds.
Leatt engineers also placed a comfortable CE impact certified protector onto a moisture wicking knee brace sock that is worn with the brace. This absorbs far more impact energy than traditional cups and better insures the knee protection is where it belongs.
3-point force distribution
Super stiff mono hinge construction
Adjustable soft lock outs help prevent hyperextension
Super low profile of inner knee for better bike control
X-straps on thigh and calf for better fitment
Brace sock with integrated CE 1621-1 certified knee protector included
Leatt signature 3D design for the best possible fit
Certified as a medical device and may be prescribed by a doctor with the FDA Owner Operator Number 10048761 in the US and certification number CA014741 in the EU
Great brace. questionable quality
Not used in anger just yet but after adjusting the fitment they felt great and am sure I will hardly notice they are there after a short period.
Once adjusted they are easy to don and I can instantly feel their support.
Only problem is the patella cup which i discovered is loose on one side and appears to have a stripped thread. Not sure if this is a reflection of the quality control of Leatt or damage prior to delivery (box certainly wasn't damaged).
Hope this part can be replaced and I can have confidence the rest isn't as questionable.
April 22, 2015
I've worn the Leatt C-Frame and Asterisk knee braces on enough dual sport trips to see pros and cons of each system. My Asterisk has the quick release buckles and mesh pad with rope adjustment. I've found that the Asterisk is easier to put on and stays put more reliably. The C-Frame has velcro straps that can be adjusted tight but having them to my preferred tghtness causes the weak velcro to undo itself. Some of the hardware for the strap clips have come undone from the brace. Maybe i have to superglue the hardware. The side to side movement is less than my Asterisk as the Asterisk does not seem to prevent much knee twisting forces. The forward/backward movement of the C-Frame seems to be smoother. My favorite thing about the Asterisk though even if it can't prevent my knee twisting is that the kneecup protection is offset forward of my knee so the cup never impacts my knee. When I have my knees bent with the C-Frame bent and i whack my knee into a wall for demo purposes, the kneecup bends toward my knee and causes pain. The padding on the C-Frame kneecup is very minimal too. Overall, i like both knee braces to some extent and i received both on discount. If there were a knee brace that combined the pros of both Leatt and Asterisk, that would be my ideal system.
April 2, 2015
Can't ride without
My knees are so bad that if I miss step they use to go out. Have worn custom Don Joys for a long time, but with no shin and knee protection, they do not work on the bike. If I step or stop wrong my left knee will go out. The Leatt's are extremely comfortable, in fact as comfortable if not more then my customs with the add protection of the knee and shin guards. Since, frame is on one side have better control on the bike.
Pros- great fit, great comfort,
Cons - what manual - none - had to search the Leatt site to get the manual
March 10, 2015
As Reviewed on Newtonsride - great stuff
This is the first knee brace that I have ever used and it is the first version of a Leatt Knee Brace they have made. I selected this brace for two reasons.
1 - I like the fact that they leave the inside of your knee free so you can feel the tank
2 - It's Leatt. They know protection.
When I got the knee brace I was really excited - but then really confused. The brace looked a lot like it had already been used.
Leatt Knee Brace with scratches out of the box
I didn't return the brace to Revzilla where I had bought it, as I was leaving the next day and really wanted to try the brace out. I did however call them to see if perhaps it had been a returned unit. It was not a previously returned item. When they saw they pictures they gave me a partial refund once they knew that I didn't want to return it. Revzilla is the best place to buy Moto equipment in my opinion.
The braces themselves were awesome. They are highly configurable so the event fit on my tree trunk legs. I rode with them for an 8 hour freeway day - then a couple of days up in the hills. I did not feel them on ... ever. They are super light anyway - but the lack of frame on the inner thigh allows you great contact with the bike. The result effect is that you don't even notice them.
They made the fit of my AlpineStars Tech 10's a little bit difficult as my calfs are thick and they already put the Tech 10's to test. However they all fit together well.
I was riding with no armor above the waist and having these on definitely instilled confidence, and at the same time made me feel like my elbows and shoulders were at risk.
My only request (given the large calfs) would be slightly longer straps for the calf guards.
Overall - this product gets 4 gears.
January 5, 2015
Have a functionality, fit, or otherwise product-specific question about the Leatt C-Frame Knee Brace? Ask it here!
If you have a customer service or shipping question, please direct it to our Customer Service department.
Caesar W asked:Apart of wearing this knee brace with a motocross jersey pants, I like to know If there is any adventure touring pants that would fit to be worn over his knee brace comfortably, gives enough knee room for bending?May 3, 2015
Now this is is interesting. Because I have also tried the braces with KLIM, but Overland pants, and it is right for me. I considered my pants were a little loose before I consider to buy these braces. But when I wear the braces with my Overland pants, I can feel that it is a little bit tight in there, with very little space left to move, and the worst of all, I could not bend my knee comfortably due to the over protruded knee cup!
May I ask if you will get a lot of space between your knee cap and c-frame knee cup when you bend in your knee? Mine, I could fit in with 1 and another half of finger in between... I'm wondering if that gap is normal and that I'm wearing it correctly...
May 3, 2015
Hi Jeff, i wear klim overlander and it won't let me bend nicely due to the protruded knee cup of the braces. And yes, I have also had the original knee armor removed prior the fitting...
Would you mind sending me some pictures of you wearing the braces in your pants while your knees bent? The pants at your knee area is not tight at all even when your knee are bent? (Normal sitting position on the bike) are you knee caps being pushed down by the pants at the knee area, as you bend your knees ?