... it is the rear wheel or the front wheel you need after you pay it.For the wheel size, we have 10", ... the brake we normally send you with drum, if you need a disc brake, please advise us before shipment. Product Information e- ... 75 tire, but we also have size 2.125, if you need size 2.125, please specify it to us; ... or return of the kit because of the problem that you don't know how to install it does not ...