Connecting Links for D.I.D's NZ3 and NZ Series Motocross non-sealed chains. Clip Link (RJ): loose-fit side plate, no chain tool needed Clip Link (FJ): press-fit side plate, chain tool needed to install/remove Rivet Link (ZJ): press-fit side plate, chain tool needed to install/remove Please note: Connecting links are not interchangeable between old and new chain models. Please contact us if you are unsure which link to use for your chain. We recommend all motorcycle parts are fitted and tested by qualified professionals. Fits: Honda MSX125 Grom 2015-2018 2020 KTM SX 85 2023 SX 85 BW 2023 Yamaha AG125 2017-2021