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Troy Lee Designs
6400 Knee Brace

5 out of 5 stars
7 Reviews
Color:Solid Black


Size Chart


6400 Knee Brace

When it comes to getting rowdy on the bike, we recommend taking safety seriously. No — we're not saying you should take the line around the lofty booter, but rather, toss on the right armor before you give it a go. That's what Troy Lee Designs built the 6400 Knee Brace for, after all. At first glance you might think they look like simple neoprene sleeves with a little padding, but these braces take protection to the next level, with bilateral support hinges that fight rotational blows, while molded termoplastic protects from hits on your patella, thigh, and shin. The brace is designed with targeted padding that does its best not to hinder movement on the bike, while offering protection in the event of a crash. It features upper and lower compression straps with Hypalon pull tabs that offer excellent grip when fitting, so you can get things dialed just right.


  • Burly knee braces to protect from gnarly blows
  • Molded thermoplastic pads at patella take the brunt of hits
  • Condole pads keep you cool while absorbing impact
  • Dial in your fit with upper and lower compression straps
  • Hypalon pull tabs offer grip when fitting
  • Sold in pairs with both left and right brace
  • Bilateral support hinges work to prevent twists and hyperextension
  • Item #TLD01FP
Protection Area
Manufacturer Warranty
1 year limited

Overall Rating

5 based on 7 ratings

Review Summary

1 Stars - 0 reviews
2 Stars - 0 reviews
3 Stars - 0 reviews
4 Stars - 0 reviews
5 Stars - 7 reviews

Fits True To Size

Screen reader users: the following list provides a visual scale to illustrate the product fit. Please refer to the heading above for the fit type in text.
Runs smallTrue to sizeRuns large

What do you think about this product?


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5 out of 5 stars

October 30, 2023

You need these!

Just what I was looking for. Offers great protection!


Originally reviewed on

5 out of 5 stars

June 12, 2023

Narrow, fits close

These are pretty great, I've only ridden in them once but they disappear and i hardly noticed them on the ride. They will be my go to for as long as they last!


Originally reviewed on

5 out of 5 stars

December 14, 2021

Velcro straps

My previous pair was ribbited and peg hooks to hold the straps tight, they broke on the second ride. Troy's or all velcro and fit better, hopefully will last the test of time.

Traveling Rick

Originally reviewed on

5 out of 5 stars

October 13, 2020

very comfortable and effective

Troy Lee has top notch gear, these braces are good to go, very comfortable and very supportive, got a few rides with them now and like them a lot.


Originally reviewed on

5 out of 5 stars

August 2, 2020


I've used it several times

excellent protection. they sit comfortably, do not slide.

Pavel B
5 out of 5 stars

July 13, 2020

Very comfortable

Great braces, offer comfort and protection.

Not applicable

Originally reviewed on

5 out of 5 stars

October 7, 2018

Awesome fitting knee braces

I have ridden with these without any issues. They fit great and work with no issues.


Originally reviewed on