Common frame sizes
Frame diameter outer/inner (mm)
51/47: KTM RFS, KTM LC4 625,640,660
55/51: KTM XC/SX, XC4, RF4, LC4, Husaberg 70 degrees
60/56: KTM EXC 250, 350 (XC-W) 2012-
You can get the MRS frame bracket to fit your frame. If we do not have the dimensions you need, just send us an e-mail and we'll make it.
If you have an aluminium frame with thick tube walls, you can also thread directly into that without the inner bracket, but if so we suggest you install steel threads.