300ex splines same as 450r?

[Nick110]

Will hipers with the integrated up from a 300ex fit a 450r.

[Lonestar_R]

They should the splines on the rear hubs of the 300EX, 400EX, and 450R are all the same.....and I believe even the 250EX has the same.....the 250R is different though

[Nick110]

Tank you.