diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12cf8b4..9cec140 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 The changelog lists relevant feature changes between each release. Search GitHub issues and pull requests for smaller issues.
 
+## 2025-06-25:
+- add converter for bolt feeds: remove all bicycle entries
+  - note: if future bolt feeds contain bicycles, the bicycle entries must be added again
+
 ## 2025-05-16:
 - add converter for protected lime feed: remove `markets` feed and set `rentals_apps`
 
diff --git a/app/converters/gbfs_bolt_remove_bicycle.py b/app/converters/gbfs_bolt_remove_bicycle.py
new file mode 100644
index 0000000..18d84d3
--- /dev/null
+++ b/app/converters/gbfs_bolt_remove_bicycle.py
@@ -0,0 +1,33 @@
+from typing import Union
+
+from app.base_converter import BaseConverter
+
+
+class GbfsBoltRemoveBicycleConverter(BaseConverter):
+    """
+    bolt contains no bicycles, so we can remove all bicycle entries.
+    """
+
+    hostnames = ['mds.bolt.eu', 'gbfs.prod.sharedmobility.ch']
+
+    def convert(self, data: Union[dict, list], path: str) -> Union[dict, list]:
+        if not isinstance(data, dict):
+            return data
+        if not path.startswith(('/gbfs/2/', '/v2/gbfs/bolt_')):
+            return data
+
+        if path.endswith('/vehicle_types'):
+            fields = data.get('data')
+            if not isinstance(fields, dict):
+                return data
+            vehicle_types = fields.get('vehicle_types')
+            if not isinstance(vehicle_types, list):
+                return data
+            newlist = []
+            for vehicle_type in vehicle_types:
+                if vehicle_type.get('form_factor') != 'bicycle':
+                    newlist.append(vehicle_type)
+            fields['vehicle_types'] = newlist
+            return data
+
+        return data