Tweaks

ionic/components/scroll/scroll.scss

@@ -29,13 +29,4 @@ ion-scroll {
 
   }
 
-  .scroll-zoom-wrapper {
-    display: block;
-    width: 100%;
-    text-align: center;
-  }
-
-  .ion-scroll-zoom {
-  }
-
 }

ionic/components/scroll/scroll.ts

@@ -16,7 +16,7 @@ import * as util from 'ionic/util';
 @IonicComponent({
   selector: 'ion-scroll',
   properties: [
-    'scrollX', 'scrollY'
+    'scrollX', 'scrollY', 'zoom', 'maxZoom'
   ],
   host: {
     '[class.scroll-x]': 'scrollX',
@@ -34,6 +34,9 @@ export class Scroll extends Ion {
    */
   constructor(elementRef: ElementRef, ionicConfig: IonicConfig) {
     super(elementRef, ionicConfig);
+
+    this.maxScale = 3;
+    this.zoomDuration = 250;
   }
 
   onInit() {