KMC X101 Singlespeed Chain is designed for those who need a reliable and strong chain for their track or single-speed bikes. This chain offers 30% more strength, thanks to its robust construction. The patented SL-X technology ensures that the grease stays within the chain's bearings, which helps extend its lifespan. The KMC X101 Singlespeed Chain also features a unique stretch-proof treatment. This treatment reduces wear between the inner plates and pin, enhancing durability. It's an excellent choice for cyclists seeking a long-lasting and efficient chain. 1/2" X 1/8" - 112 Links, pin length 10.0mm Compatible with: Track / Single speed Brass plated for added protection Top-Performance for demanding rides Lightweight at 375 grams Extremely durable for long-term use Super Rigid for maximum efficiency Patented Sealed Locking design