KMC K710 SUPER LIGHT KOOL 1/2X1/8 TI_GOLD  BMX/SINGLE SPEED CHAIN. KMC K710 SUPER LIGHT KOOL 1/2X1/8 TI_GOLD BMX/SINGLE SPEED CHAIN. Super Light Kool Chain w/ hollow pins and cut outs in inner and outer plates Asymmetric to increase strength on the outside edge of the outer plates. For BMX, track, single speed, Stretch proof, mushroom pin, DropBuster.