| 0x10 | ChainBones | TArray<float> | 3 flags |
| 0x04 | ClusterSize | float | 6 flags |
| 0x04 | WorldSize | float | 6 flags |
| 0x04 | ReserveConstraintClusterCount | int32 | 6 flags |
| 0x04 | PositionIterationCount | int32 | 6 flags |
| 0x04 | VelocityIterationCount | int32 | 6 flags |
| 0x04 | ConstantVelocityDumping | float | 6 flags |
| 0x04 | ConstantAngularVelocityDumping | float | 6 flags |
| 0x04 | HitCollisionVelocityRestitutionDumping | float | 6 flags |
| 0x04 | HitCollisionVelocityFrictionDumping | float | 6 flags |
| 0x04 | VelocityInterpRate | float | 6 flags |
| 0x04 | RopeLength | float | 6 flags |
| 0x04 | RopeThicknessScale | float | 6 flags |
| 0x04 | ParticleCount | int32 | 6 flags |
| 0x04 | ParticleRadius | float | 6 flags |
| 0x04 | SimulationStiffness | float | 6 flags |
| 0x04 | BendingConstraintStiffness | float | 6 flags |
| 0x04 | BendingConstraintRelayPointStiffness | float | 6 flags |
| 0x04 | RestitutionCoeff | float | 6 flags |
| 0x04 | FrictionCoeff | float | 6 flags |
| 0x0124 | 0x04 | padding / unreflected |
| 0x10 | OverrideEndPointMass | TArray<FBoneReference> | 3 flags |
| 0x10 | TwoConstraintBone0 | FBoneReference | 3 flags |
| 0x10 | TwoConstraintBone1 | FBoneReference | 3 flags |
| 0x10 | RopePointConstraintSettings | TArray<TArray<FComponentSpacePoseLink>> | 4 flags |
| 0x10 | RopeHandSplineConstraintSettings | TArray<FComponentSpacePoseLink> | 4 flags |
| 0x0178 | 0xF8 | unreflected bytes to end of FAnimNode_EndReins |