The 525 VX3 chain has an 8% tensile strength increase due to the hardness of its inner plateWith the X-Ring material upgrade, the 525 VX3 chain has a greatly improved sealing performance and a wear resistance increase of 11%The max cc rating of the 525 VX3 chain is 1000 cc Chain Size 525 Chain Type 525 VX3 Color/Finish Gold Master Link Connector Rivet Maximum Engine Displacement (Offroad) 1000 cc Maximum Engine Displacement (Street) 1000 cc Model VX3 Series Number of Links 110 Product Name Drive Chain Seal Type X-Ring Tensile Strength 41 kN (9220 lb) Units Each Vendor part number 4525516395205