Surron/Talaria Chain by Warp 9Introducing the EK 420SH Chain, a non O ring standard chain designed to minimize power loss and provide reliable performance for your bike. With its gold inner and outer plates and black carbon rollers, this chain not only offers a stylish appearance but also ensures durability and smooth operation. Here are the key features: Chain Type: The EK 420SH Chain is a non O ring standard chain, which means it does not have the additional sealing rings found