Kmc k910 kool 316 trackbmx chain super fat series chain offers a whopping tensile strength of 1500kg making this the strongest chain you can ever try to destroy kmc make this chain for those who care more for strength rather than weight the k910 is a larger version of the k710 chain to fit 316 chainwheels top and bottom design bigger side plates and mushroomed riveted pins for extra strength 12 x 316 100 links pin length 129 mm compatible with bmxfreestyle nickel plated