<ion-buttons end>
    <button ion-button clear (click)="toggleFilterSort()">
        <i class="fa fa-ellipsis-v fa-fw" aria-hidden="true"></i>
    </button>
</ion-buttons>

toggleFilterSort() {
        this.viewCtrl.getContent().scrollTo(0, 0);
        let toggle = this.popoverCtrl.create(
                ToggleModel,
                {toggleMenu: this.toggleMenu},
                {
                    cssClass: 'oFilter',
                    enableBackdropDismiss: true,
                    showBackdrop: true
                }
            );
        toggle.onDidDismiss(data=>{
            if(data != null && data.toggleMenu) {
                this.toggleMenu = data.toggleMenu;
            }
        });
        console.log(this.toggleMenu);
    }

<div [ngClass]="{toggles: true}">
    <ion-list radio-group [(ngModel)]="toggleMenu" (ionChange)="fSelect()">
        <ion-item>
            <ion-label><div class="toggleMenu-item">Filter</div></ion-label>
            <ion-radio value="filter"  (ionSelect)="toggleMenu='filter'"></ion-radio>
        </ion-item>

        <ion-item>
            <ion-label><div class="toggleMenu-item">Sort</div></ion-label>
            <ion-radio value="sort" (ionSelect)="toggleMenu='sort'" ></ion-radio>
        </ion-item>
    </ion-list>
</div>