A arms 250r

[carbonfiber440]

does anyone know if 250r a arms will fit on a 400ex

[Pvt. Maggot]

yes they fit :)..you have to either change the bushing or grind them down..but they will work. :)

[fox 40]

one year of the r have to be ground down at the bushings but the others should fit i think 87=89 will fit