i have a brand new never ridden houser 450 crf chassis for sale. i got it and was going to build a 450, but i am just going to keep my 400ex.
chassis is brand new and has never been ridden. it includes frame, subframe, no link swingarm, stem and long travel a-arms. all parts are powder coated silver vein.
frame uses all 400ex components and a crf 450 motor. if you already have a 400 you can build a 450 with this frame and sell your stock frame, motor and left over parts.
check it out at www.houser-racing.com
this set up costs $4200, i will sell this for $3200