Proton KR?

I’m watching some past seasons, I’ve noticed some Proton KR bikes in 2002. I have never heard of them. Is this an independent manufacturer with its own equipment or are they using another manufacturer’s equipment?

I’m watching some past seasons, I’ve noticed some Proton KR bikes in 2002. I have never heard of them. Is this an independent manufacturer with its own equipment or are they using another manufacturer’s equipment? http://ifttt.com/images/no_image_card.png