diff --git a/Assets/VRM/Editor/SpringBone/VRMSpringBoneColliderGroupEditor.cs b/Assets/VRM/Editor/SpringBone/VRMSpringBoneColliderGroupEditor.cs
index 89f5192fe..8201e3c05 100644
--- a/Assets/VRM/Editor/SpringBone/VRMSpringBoneColliderGroupEditor.cs
+++ b/Assets/VRM/Editor/SpringBone/VRMSpringBoneColliderGroupEditor.cs
@@ -1,4 +1,5 @@
-using System.Linq;
+using System.Linq;
+using MeshUtility;
 using UnityEditor;
 using UnityEngine;
 
@@ -39,15 +40,26 @@ namespace VRM
                 EditorUtility.SetDirty(m_target);
             }
         }
-        
+
+        override public void OnInspectorGUI()
+        {
+            // show validate information
+            foreach (var v in m_target.Validate())
+            {
+                v.DrawGUI();
+            }
+
+            base.OnInspectorGUI();
+        }
+
         [MenuItem("CONTEXT/VRMSpringBoneColliderGroup/X Mirror")]
         private static void InvertOffsetX(MenuCommand command)
         {
             var target = command.context as VRMSpringBoneColliderGroup;
             if (target == null) return;
-            
+
             Undo.RecordObject(target, "X Mirror");
-            
+
             foreach (var sphereCollider in target.Colliders)
             {
                 var offset = sphereCollider.Offset;
@@ -55,24 +67,24 @@ namespace VRM
                 sphereCollider.Offset = offset;
             }
         }
-        
+
         [MenuItem("CONTEXT/VRMSpringBoneColliderGroup/Sort Colliders by Radius")]
         private static void SortByRadius(MenuCommand command)
         {
             var target = command.context as VRMSpringBoneColliderGroup;
             if (target == null) return;
-            
+
             Undo.RecordObject(target, "Sort Colliders by Radius");
 
             target.Colliders = target.Colliders.OrderBy(x => -x.Radius).ToArray();
         }
-        
+
         [MenuItem("CONTEXT/VRMSpringBoneColliderGroup/Sort Colliders by Offset Y")]
         private static void SortByOffsetY(MenuCommand command)
         {
             var target = command.context as VRMSpringBoneColliderGroup;
             if (target == null) return;
-            
+
             Undo.RecordObject(target, "Sort Colliders by Offset Y");
 
             target.Colliders = target.Colliders.OrderBy(x => -x.Offset.y).ToArray();
diff --git a/Assets/VRM/Editor/SpringBone/VRMSpringBoneValidator.cs b/Assets/VRM/Editor/SpringBone/VRMSpringBoneValidator.cs
index 5809b6938..0d3b29fef 100644
--- a/Assets/VRM/Editor/SpringBone/VRMSpringBoneValidator.cs
+++ b/Assets/VRM/Editor/SpringBone/VRMSpringBoneValidator.cs
@@ -63,6 +63,11 @@ namespace VRM
                             yield return Validation.Error($"{sb.name}.ColliderGroups[{i}] is out of hierarchy");
                             continue;
                         }
+
+                        foreach (var x in c.Validate())
+                        {
+                            yield return x;
+                        }
                     }
                 }
             }
diff --git a/Assets/VRM/Runtime/SkinnedMeshUtility/VRMBoneNormalizer.cs b/Assets/VRM/Runtime/SkinnedMeshUtility/VRMBoneNormalizer.cs
index 6ff4265bd..9fbdcf5d8 100644
--- a/Assets/VRM/Runtime/SkinnedMeshUtility/VRMBoneNormalizer.cs
+++ b/Assets/VRM/Runtime/SkinnedMeshUtility/VRMBoneNormalizer.cs
@@ -105,11 +105,6 @@ namespace VRM
                 return avatar;
             });
 
-            // humanPoseTransfer
-            // var animator = normalized.GetComponent<Animator>();
-            // var humanPoseTransfer = normalized.AddComponent<HumanPoseTransfer>();
-            // humanPoseTransfer.Avatar = animator.avatar;
-
             CopyVRMComponents(go, normalized, bMap);
 
             return normalized;
@@ -135,6 +130,7 @@ namespace VRM
             }
 
             {
+                // springbone
                 var secondary = go.transform.Find("secondary");
                 if (secondary == null)
                 {
@@ -148,7 +144,7 @@ namespace VRM
                     dstSecondary.SetParent(root.transform, false);
                 }
 
-                // 揺れモノ
+                // VRMSpringBoneColliderGroup
                 foreach (var src in go.transform.GetComponentsInChildren<VRMSpringBoneColliderGroup>())
                 {
                     var dst = map[src.transform];
@@ -156,17 +152,18 @@ namespace VRM
                     dstColliderGroup.Colliders = src.Colliders.Select(y =>
                     {
                         var offset = dst.worldToLocalMatrix.MultiplyPoint(src.transform.localToWorldMatrix.MultiplyPoint(y.Offset));
+                        var ls = src.UniformedLossyScale;
                         return new VRMSpringBoneColliderGroup.SphereCollider
                         {
                             Offset = offset,
-                            Radius = y.Radius
+                            Radius = y.Radius * ls
                         };
                     }).ToArray();
                 }
 
+                // VRMSpringBone
                 foreach (var src in go.transform.GetComponentsInChildren<VRMSpringBone>())
                 {
-                    // Copy VRMSpringBone
                     var dst = dstSecondary.gameObject.AddComponent<VRMSpringBone>();
                     dst.m_comment = src.m_comment;
                     dst.m_stiffnessForce = src.m_stiffnessForce;
diff --git a/Assets/VRM/Runtime/SpringBone/VRMSpringBoneColliderGroup.cs b/Assets/VRM/Runtime/SpringBone/VRMSpringBoneColliderGroup.cs
index b6692ac74..9ad63c3ae 100644
--- a/Assets/VRM/Runtime/SpringBone/VRMSpringBoneColliderGroup.cs
+++ b/Assets/VRM/Runtime/SpringBone/VRMSpringBoneColliderGroup.cs
@@ -1,4 +1,6 @@
 using System;
+using System.Collections.Generic;
+using MeshUtility;
 using UnityEngine;
 
 
@@ -29,15 +31,23 @@ namespace VRM
         [SerializeField]
         Color m_gizmoColor = Color.magenta;
 
+        public float UniformedLossyScale
+        {
+            get
+            {
+                return Mathf.Max(
+                    transform.lossyScale.x,
+                    transform.lossyScale.y,
+                    transform.lossyScale.z
+                );
+            }
+        }
+
         private void OnDrawGizmosSelected()
         {
             Gizmos.color = m_gizmoColor;
             Matrix4x4 mat = transform.localToWorldMatrix;
-            var ls = Mathf.Max(
-                transform.lossyScale.x,
-                transform.lossyScale.y,
-                transform.lossyScale.z
-            );
+            var ls = UniformedLossyScale;
             Gizmos.matrix = mat * Matrix4x4.Scale(new Vector3(
                 1.0f / transform.lossyScale.x * ls,
                 1.0f / transform.lossyScale.y * ls,
@@ -48,5 +58,17 @@ namespace VRM
                 Gizmos.DrawWireSphere(y.Offset, y.Radius);
             }
         }
+
+        public IEnumerable<Validation> Validate()
+        {
+            if (transform.localScale != Vector3.one)
+            {
+                yield return Validation.Warning($"'{name}' GameObject has none 1 scaling");
+            }
+            else if (transform.lossyScale != Vector3.one)
+            {
+                yield return Validation.Warning($"'{name}' parent GameObject has none 1 scaling");
+            }
+        }
     }
 }