Izumi 410 Gp Key RingProduct Overview Theres no better chain for the price than the hard working 410 series. Need extreme rust resistance? The 410TGs special surface plating fends off the worst corrosion. It's a beautiful, hard wearing chain that can be matched to your frame, wheels, grips or saddle for extra style points. With a handful of different colour combinations including the signature Jet Black finish, theres a 410 chain thats perfect for any single speed rig,