diff --git a/frontend/src/lib/components/Spinner.svelte b/frontend/src/lib/components/Spinner.svelte
new file mode 100644
index 0000000..1f30cfe
--- /dev/null
+++ b/frontend/src/lib/components/Spinner.svelte
@@ -0,0 +1,39 @@
+<script lang="ts">
+    /**
+     * Ladeanzeige als Mountainbike-Laufrad: Stollenreifen, Felge, gekreuzte
+     * Speichen, Nabe. Das Ventil sitzt bewusst nur an einer Stelle — ohne diese
+     * Unwucht sieht ein achtfach symmetrisches Rad im Stillstand aus, egal wie
+     * schnell es sich dreht.
+     *
+     * Zeichnet in `currentColor` und richtet sich nach der uebergebenen
+     * Groessenklasse, laesst sich also wie ein Lucide-Icon einsetzen.
+     */
+    let { class: className = 'size-6' }: { class?: string } = $props()
+</script>
+
+<svg
+    aria-hidden="true"
+    class="animate-spin {className}"
+    fill="none"
+    stroke="currentColor"
+    viewBox="0 0 24 24"
+    xmlns="http://www.w3.org/2000/svg"
+>
+    <!-- Stollen: 14 Segmente auf dem Umfang 2πr = 60.95, also je 4.35 breit -->
+    <circle cx="12" cy="12" r="9.7" stroke-dasharray="1.7 2.654" stroke-width="2.6" />
+    <!-- Reifen -->
+    <circle cx="12" cy="12" r="9.4" stroke-width="1.8" />
+    <!-- Felge -->
+    <circle cx="12" cy="12" r="7.3" stroke-width="1.1" />
+    <!-- Speichen, gekreuzt gespannt wie an einem echten Laufrad -->
+    <path
+        d="M12.88 10.2L12 4.7M12.65 10.11L17.16 6.84M13.8 12.88L19.3 12M13.89 12.65L17.16 17.16M11.12 13.8L12 19.3M11.35 13.89L6.84 17.16M10.2 11.12L4.7 12M10.11 11.35L6.84 6.84"
+        opacity=".5"
+        stroke-linecap="round"
+        stroke-width=".8"
+    />
+    <!-- Nabe -->
+    <circle cx="12" cy="12" fill="currentColor" r="1.9" stroke="none" />
+    <!-- Ventil -->
+    <path d="M12 8.4L12 6.6" stroke-linecap="round" stroke-width="1.3" />
+</svg>
diff --git a/frontend/src/routes/+page.svelte b/frontend/src/routes/+page.svelte
index ce6f451..c4539d6 100644
--- a/frontend/src/routes/+page.svelte
+++ b/frontend/src/routes/+page.svelte
@@ -2,7 +2,7 @@
     import {auth} from '$lib/stores/pocketbase.svelte'
     import {goto} from '$app/navigation'
     import {onMount} from 'svelte'
-    import {LoaderCircle} from 'lucide-svelte'
+    import Spinner from '$lib/components/Spinner.svelte'
 
     onMount(() => {
         goto(auth.user ? '/dashboard' : '/login', {replaceState: true})
@@ -10,5 +10,5 @@
 </script>
 
 <div class="min-h-screen flex items-center justify-center">
-    <LoaderCircle class="animate-spin" size="64"/>
+    <Spinner class="size-16"/>
 </div>
diff --git a/frontend/src/routes/login/+page.svelte b/frontend/src/routes/login/+page.svelte
index 518cf53..d1a5702 100644
--- a/frontend/src/routes/login/+page.svelte
+++ b/frontend/src/routes/login/+page.svelte
@@ -5,7 +5,7 @@
     import { Card, CardContent, CardDescription, CardHeader } from '@/components/ui/card'
     import { Input } from '@/components/ui/input'
     import { Label } from '@/components/ui/label'
-    import { LoaderCircle } from 'lucide-svelte'
+    import Spinner from '$lib/components/Spinner.svelte'
     import Logo from '$lib/components/Logo.svelte'
 
     let email = $state('')
@@ -82,7 +82,7 @@
 
                 <Button type="submit" class="w-full" disabled={submitting}>
                     {#if submitting}
-                        <LoaderCircle class="h-4 w-4 mr-2 animate-spin" />
+                        <Spinner class="mr-2 size-4" />
                         Wird angemeldet…
                     {:else}
                         Anmelden