diff --git a/Tracker/TrackerRecAlgs/TrackerPrepRawDataFormation/python/TrackerPrepRawDataFormationConfig.py b/Tracker/TrackerRecAlgs/TrackerPrepRawDataFormation/python/TrackerPrepRawDataFormationConfig.py
index 57c9d3cea350a801b9b07f83a391f2d04ef1efba..4854267df583d2cd967fcbdc6375a37f36a0d67f 100644
--- a/Tracker/TrackerRecAlgs/TrackerPrepRawDataFormation/python/TrackerPrepRawDataFormationConfig.py
+++ b/Tracker/TrackerRecAlgs/TrackerPrepRawDataFormation/python/TrackerPrepRawDataFormationConfig.py
@@ -19,8 +19,9 @@ def FaserSCT_ClusterizationCommonCfg(flags, name="FaserSCT_ClusterizationToolCom
     Tracker__TrackerClusterMakerTool,Tracker__FaserSCT_ClusteringTool=CompFactory.getComps("Tracker::TrackerClusterMakerTool", "Tracker::FaserSCT_ClusteringTool")
     trackerClusterMakerTool = Tracker__TrackerClusterMakerTool(name = "TrackerClusterMakerTool")
     faserSCT_LorentzAngleTool=acc.popToolsAndMerge(FaserSCT_LorentzAngleCfg(flags))
-    clusteringTool = Tracker__FaserSCT_ClusteringTool(name, globalPosAlg = trackerClusterMakerTool, FaserSiLorentzAngleTool=faserSCT_LorentzAngleTool)
-    clusteringTool.timeBins = "01X" 
+    kwargs.setdefault("timeBins", "01X")
+    clusteringTool = Tracker__FaserSCT_ClusteringTool(name, globalPosAlg = trackerClusterMakerTool, FaserSiLorentzAngleTool=faserSCT_LorentzAngleTool, **kwargs)
+    # clusteringTool.timeBins = "01X" 
     # attach ToolHandles
     acc.setPrivateTools(clusteringTool)
     return acc 
@@ -35,7 +36,13 @@ def FaserSCT_ClusterizationToolCfg(flags, name="FaserSCT_ClusterizationTool", **
 def FaserSCT_ClusterizationBasicCfg(flags, **kwargs):
     """Return ComponentAccumulator for FaserSCT Clusterization"""
     acc = ComponentAccumulator()
-    clusterTool = acc.popToolsAndMerge(FaserSCT_ClusterizationToolCfg(flags))
+    pattern = kwargs.pop("ClusterToolTimingPattern")
+    # print("ClusterToolTimingPattern = ", pattern)
+    if len(pattern) > 0 :
+        clusterTool = acc.popToolsAndMerge(FaserSCT_ClusterizationToolCfg(flags, timeBins = pattern ))
+    else:
+        clusterTool = acc.popToolsAndMerge(FaserSCT_ClusterizationToolCfg(flags))
+
     kwargs.setdefault("SCT_ClusteringTool", clusterTool)
     kwargs.setdefault("DataObjectName", "SCT_RDOs")
     kwargs.setdefault("ClustersName", "SCT_ClusterContainer")