Using render instead of component in React Router v4 works for plain old child components, but not when your child component is a nested Route. In this example I’ve taken the react router quickstart tweaked it to pass props into a wrapped route.

const WrappedRoute = (props) => {
  console.log("WrappedRoute props", props)
      <Route path={`${props.match.path}/:topicId`} render={Topic}/>

<WrappedRoute yo={() => "yo"} {...props}></WrappedRoute>

Please Let me know if you disagree with this approach or have a better alternative. Hope this helps!