diff --git a/gradle.properties b/gradle.properties
index 944938715..aa6866da2 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -23,7 +23,7 @@ use_parchment = true
 # dependency versions
 registrate_version = MC1.20-1.3.3
 flywheel_minecraft_version = 1.20.1
-flywheel_version = 1.0.0-beta-103
+flywheel_version = 1.0.0-beta-104
 jei_minecraft_version = 1.20.1
 jei_version = 15.2.0.22
 curios_minecraft_version = 1.20.1
diff --git a/src/main/java/com/simibubi/create/content/contraptions/pulley/AbstractPulleyVisual.java b/src/main/java/com/simibubi/create/content/contraptions/pulley/AbstractPulleyVisual.java
index 395dce1fe..d5dd84a90 100644
--- a/src/main/java/com/simibubi/create/content/contraptions/pulley/AbstractPulleyVisual.java
+++ b/src/main/java/com/simibubi/create/content/contraptions/pulley/AbstractPulleyVisual.java
@@ -36,7 +36,7 @@ public abstract class AbstractPulleyVisual<T extends KineticBlockEntity> extends
 	protected final Direction rotatingAbout;
 	protected final Axis rotationAxis;
 
-	private final LightCache lightCache = new LightCache(1);
+	private final LightCache lightCache = new LightCache();
 
 	private float offset;
 
@@ -60,6 +60,12 @@ public abstract class AbstractPulleyVisual<T extends KineticBlockEntity> extends
 		updateOffset(partialTick);
 	}
 
+	@Override
+	public void setSectionCollector(SectionCollector sectionCollector) {
+		super.setSectionCollector(sectionCollector);
+		lightCache.updateSections();
+	}
+
 	protected abstract Instancer<OrientedInstance> getRopeModel();
 
 	protected abstract Instancer<OrientedInstance> getMagnetModel();
@@ -172,16 +178,11 @@ public abstract class AbstractPulleyVisual<T extends KineticBlockEntity> extends
 	}
 
 	private class LightCache {
-		private final ByteList data;
+		private final ByteList data =  new ByteArrayList();
 		private final LongSet sections = new LongOpenHashSet();
 		private final BlockPos.MutableBlockPos mutablePos = new BlockPos.MutableBlockPos();
 		private int sectionCount;
 
-		public LightCache(int initialSize) {
-			data = new ByteArrayList(initialSize);
-			setSize(initialSize);
-		}
-
 		public void setSize(int size) {
 			if (size != data.size()) {
 				data.size(size);
@@ -196,11 +197,18 @@ public abstract class AbstractPulleyVisual<T extends KineticBlockEntity> extends
 					for (int i = 0; i < sectionCount; i++) {
 						sections.add(SectionPos.asLong(sectionX, sectionY - i, sectionZ));
 					}
-					lightSections.sections(sections);
+					// Will be null during initialization
+					if (lightSections != null) {
+						updateSections();
+					}
 				}
 			}
 		}
 
+		public void updateSections() {
+			lightSections.sections(sections);
+		}
+
 		public void update() {
 			mutablePos.set(pos);
 
diff --git a/src/main/java/com/simibubi/create/content/kinetics/crank/HandCrankVisual.java b/src/main/java/com/simibubi/create/content/kinetics/crank/HandCrankVisual.java
index 59d1b099e..1eebee84b 100644
--- a/src/main/java/com/simibubi/create/content/kinetics/crank/HandCrankVisual.java
+++ b/src/main/java/com/simibubi/create/content/kinetics/crank/HandCrankVisual.java
@@ -59,6 +59,10 @@ public class HandCrankVisual extends KineticBlockEntityVisual<HandCrankBlockEnti
 	@Override
 	protected void _delete() {
 		crank.delete();
+
+		if (rotatingModel != null) {
+			rotatingModel.delete();
+		}
 	}
 
 	@Override