MTX Brake Disc Solid Type - Rear Category_Wheel Bearing Kits this kit includes the below

this kit includes the below for your KTM 500 EXC-F 17-18:

Inside Length: 84mm

wide range of models available

Not sure when that top end needs replacing

MTX Brake Disc Solid Type - Rear Category_Wheel Bearing Kits this kit includes the belowMTX solid discs are constructed using one complete segment of Japanese SUS 420 stainless steel, then heat treated to HRC 36+ 2. Lightening and drill hole patterns are as per OEM designs to improve braking performance and reduce the temperature of the disc. MTX Discs provide amazing braking control for your motorcycle. All MTX discs are designed and manufactured with world leading, cutting edge technologies: Precision CNC machined and laser cut