YBN Chain 1/2x1/8x112 Black/Chrome. for bicycle Chain, bike chain, lowrider bikes, beach cruiser, chopper, limos, stretch, bmx, track fixie bicycles YBN Chain 1/2x1/8x112 Black/Chrome. YBN Chain 1/2x1/8x112 Black/Chrome. We carry over 3,000 bicycle parts and accessories. If you have any questions about any of our parts, please send us an email.