diff --git a/plugins/tech-radar/src/api.ts b/plugins/tech-radar/src/api.ts
index 3dec964ddb..d7f5b57a43 100644
--- a/plugins/tech-radar/src/api.ts
+++ b/plugins/tech-radar/src/api.ts
@@ -34,7 +34,7 @@ export interface RadarQuadrant {
 export interface RadarEntry {
   key: string; // react key
   id: string;
-  moved: number;
+  moved: -1 | 0 | 1;
   quadrant: RadarQuadrant;
   ring: RadarRing;
   title: string;
diff --git a/plugins/tech-radar/src/components/Radar/Radar.test.tsx b/plugins/tech-radar/src/components/Radar/Radar.test.tsx
index 469f0d85cf..f0ad0d66ed 100644
--- a/plugins/tech-radar/src/components/Radar/Radar.test.tsx
+++ b/plugins/tech-radar/src/components/Radar/Radar.test.tsx
@@ -20,9 +20,9 @@ import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 import GetBBoxPolyfill from '../../utils/polyfills/getBBox';
 
-import Radar from './Radar';
+import Radar, { Props } from './Radar';
 
-const minProps = {
+const minProps: Props = {
   width: 500,
   height: 200,
   quadrants: [{ id: 'languages', name: 'Languages' }],
diff --git a/plugins/tech-radar/src/components/Radar/Radar.tsx b/plugins/tech-radar/src/components/Radar/Radar.tsx
index 8fe3c15fba..2c7838e803 100644
--- a/plugins/tech-radar/src/components/Radar/Radar.tsx
+++ b/plugins/tech-radar/src/components/Radar/Radar.tsx
@@ -19,7 +19,7 @@ import RadarPlot from '../RadarPlot';
 import { Ring, Quadrant, Entry } from '../../utils/types';
 import { adjustQuadrants, adjustRings, adjustEntries } from './utils';
 
-type Props = {
+export type Props = {
   width: number;
   height: number;
   quadrants: Quadrant[];
diff --git a/plugins/tech-radar/src/components/RadarBubble/RadarBubble.test.tsx b/plugins/tech-radar/src/components/RadarBubble/RadarBubble.test.tsx
index 688fd55f9f..9e402b9a91 100644
--- a/plugins/tech-radar/src/components/RadarBubble/RadarBubble.test.tsx
+++ b/plugins/tech-radar/src/components/RadarBubble/RadarBubble.test.tsx
@@ -20,9 +20,9 @@ import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 import GetBBoxPolyfill from '../../utils/polyfills/getBBox';
 
-import RadarBubble from './RadarBubble';
+import RadarBubble, { Props } from './RadarBubble';
 
-const minProps = {
+const minProps: Props = {
   visible: true,
   text: 'RadarBubble',
   x: 2,
diff --git a/plugins/tech-radar/src/components/RadarBubble/RadarBubble.tsx b/plugins/tech-radar/src/components/RadarBubble/RadarBubble.tsx
index 723a408885..be38231087 100644
--- a/plugins/tech-radar/src/components/RadarBubble/RadarBubble.tsx
+++ b/plugins/tech-radar/src/components/RadarBubble/RadarBubble.tsx
@@ -17,7 +17,7 @@
 import React, { useRef, useLayoutEffect } from 'react';
 import { makeStyles, Theme } from '@material-ui/core';
 
-type Props = {
+export type Props = {
   visible: boolean;
   text: string;
   x: number;
diff --git a/plugins/tech-radar/src/components/RadarEntry/RadarEntry.test.tsx b/plugins/tech-radar/src/components/RadarEntry/RadarEntry.test.tsx
index 20bc6fa7be..14614e88e1 100644
--- a/plugins/tech-radar/src/components/RadarEntry/RadarEntry.test.tsx
+++ b/plugins/tech-radar/src/components/RadarEntry/RadarEntry.test.tsx
@@ -20,9 +20,9 @@ import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 import GetBBoxPolyfill from '../../utils/polyfills/getBBox';
 
-import RadarEntry from './RadarEntry';
+import RadarEntry, { Props } from './RadarEntry';
 
-const minProps = {
+const minProps: Props = {
   x: 2,
   y: 2,
   value: 2,
diff --git a/plugins/tech-radar/src/components/RadarEntry/RadarEntry.tsx b/plugins/tech-radar/src/components/RadarEntry/RadarEntry.tsx
index ff499f4575..98841dce87 100644
--- a/plugins/tech-radar/src/components/RadarEntry/RadarEntry.tsx
+++ b/plugins/tech-radar/src/components/RadarEntry/RadarEntry.tsx
@@ -18,7 +18,7 @@ import React from 'react';
 import { makeStyles, Theme } from '@material-ui/core';
 import { WithLink } from '../../utils/components';
 
-type Props = {
+export type Props = {
   x: number;
   y: number;
   value: number;
diff --git a/plugins/tech-radar/src/components/RadarFooter/RadarFooter.test.tsx b/plugins/tech-radar/src/components/RadarFooter/RadarFooter.test.tsx
index 3e0ee7e407..321947a24c 100644
--- a/plugins/tech-radar/src/components/RadarFooter/RadarFooter.test.tsx
+++ b/plugins/tech-radar/src/components/RadarFooter/RadarFooter.test.tsx
@@ -20,9 +20,9 @@ import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 import GetBBoxPolyfill from '../../utils/polyfills/getBBox';
 
-import RadarFooter from './RadarFooter';
+import RadarFooter, { Props } from './RadarFooter';
 
-const minProps = {
+const minProps: Props = {
   x: 2,
   y: 2,
 };
diff --git a/plugins/tech-radar/src/components/RadarFooter/RadarFooter.tsx b/plugins/tech-radar/src/components/RadarFooter/RadarFooter.tsx
index b6284644eb..9ba0ed0405 100644
--- a/plugins/tech-radar/src/components/RadarFooter/RadarFooter.tsx
+++ b/plugins/tech-radar/src/components/RadarFooter/RadarFooter.tsx
@@ -17,7 +17,7 @@
 import React from 'react';
 import { makeStyles, Theme } from '@material-ui/core';
 
-type Props = {
+export type Props = {
   x: number;
   y: number;
 };
diff --git a/plugins/tech-radar/src/components/RadarGrid/RadarGrid.test.tsx b/plugins/tech-radar/src/components/RadarGrid/RadarGrid.test.tsx
index 8a2873564d..9ba170a0e7 100644
--- a/plugins/tech-radar/src/components/RadarGrid/RadarGrid.test.tsx
+++ b/plugins/tech-radar/src/components/RadarGrid/RadarGrid.test.tsx
@@ -20,9 +20,9 @@ import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 import GetBBoxPolyfill from '../../utils/polyfills/getBBox';
 
-import RadarGrid from './RadarGrid';
+import RadarGrid, { Props } from './RadarGrid';
 
-const minProps = {
+const minProps: Props = {
   radius: 5,
   rings: [{ id: 'use', name: 'USE', color: '#93c47d' }],
 };
diff --git a/plugins/tech-radar/src/components/RadarGrid/RadarGrid.tsx b/plugins/tech-radar/src/components/RadarGrid/RadarGrid.tsx
index 68c84e2443..cd06bf6ef8 100644
--- a/plugins/tech-radar/src/components/RadarGrid/RadarGrid.tsx
+++ b/plugins/tech-radar/src/components/RadarGrid/RadarGrid.tsx
@@ -18,7 +18,7 @@ import React from 'react';
 import { makeStyles, Theme } from '@material-ui/core';
 import { Ring } from '../../utils/types';
 
-type Props = {
+export type Props = {
   radius: number;
   rings: Ring[];
 };
diff --git a/plugins/tech-radar/src/components/RadarLegend/RadarLegend.test.tsx b/plugins/tech-radar/src/components/RadarLegend/RadarLegend.test.tsx
index 8168688fdd..5900f5c1bc 100644
--- a/plugins/tech-radar/src/components/RadarLegend/RadarLegend.test.tsx
+++ b/plugins/tech-radar/src/components/RadarLegend/RadarLegend.test.tsx
@@ -20,9 +20,9 @@ import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 import GetBBoxPolyfill from '../../utils/polyfills/getBBox';
 
-import RadarLegend from './RadarLegend';
+import RadarLegend, { Props } from './RadarLegend';
 
-const minProps = {
+const minProps: Props = {
   quadrants: [{ id: 'languages', name: 'Languages' }],
   rings: [{ id: 'use', name: 'USE', color: '#93c47d' }],
   entries: [
diff --git a/plugins/tech-radar/src/components/RadarLegend/RadarLegend.tsx b/plugins/tech-radar/src/components/RadarLegend/RadarLegend.tsx
index ad204f4beb..59bd2e2337 100644
--- a/plugins/tech-radar/src/components/RadarLegend/RadarLegend.tsx
+++ b/plugins/tech-radar/src/components/RadarLegend/RadarLegend.tsx
@@ -22,7 +22,7 @@ type Segments = {
   [k: number]: { [k: number]: Entry[] };
 };
 
-type Props = {
+export type Props = {
   quadrants: Quadrant[];
   rings: Ring[];
   entries: Entry[];
diff --git a/plugins/tech-radar/src/components/RadarPlot/RadarPlot.test.tsx b/plugins/tech-radar/src/components/RadarPlot/RadarPlot.test.tsx
index 31f450baeb..876d3009e4 100644
--- a/plugins/tech-radar/src/components/RadarPlot/RadarPlot.test.tsx
+++ b/plugins/tech-radar/src/components/RadarPlot/RadarPlot.test.tsx
@@ -20,9 +20,9 @@ import { ThemeProvider } from '@material-ui/core';
 import { lightTheme } from '@backstage/theme';
 import GetBBoxPolyfill from '../../utils/polyfills/getBBox';
 
-import RadarPlot from './RadarPlot';
+import RadarPlot, { Props } from './RadarPlot';
 
-const minProps = {
+const minProps: Props = {
   width: 500,
   height: 200,
   radius: 50,
diff --git a/plugins/tech-radar/src/components/RadarPlot/RadarPlot.tsx b/plugins/tech-radar/src/components/RadarPlot/RadarPlot.tsx
index 7fd46b95b7..c1ce70eecc 100644
--- a/plugins/tech-radar/src/components/RadarPlot/RadarPlot.tsx
+++ b/plugins/tech-radar/src/components/RadarPlot/RadarPlot.tsx
@@ -23,7 +23,7 @@ import RadarBubble from '../RadarBubble';
 import RadarFooter from '../RadarFooter';
 import RadarLegend from '../RadarLegend';
 
-type Props = {
+export type Props = {
   width: number;
   height: number;
   radius: number;
diff --git a/plugins/tech-radar/src/utils/types.ts b/plugins/tech-radar/src/utils/types.ts
index 51f3cee7f8..5ee27c29c7 100644
--- a/plugins/tech-radar/src/utils/types.ts
+++ b/plugins/tech-radar/src/utils/types.ts
@@ -61,7 +61,7 @@ export type Entry = {
   // An URL to a longer description as to why this entry is where it is
   url?: string;
   // How this entry has recently moved; -1 for "down", +1 for "up", 0 for not moved
-  moved?: number;
+  moved?: -1 | 0 | 1;
   active?: boolean;
 };