Robust chain for 30% more strength. Our patented SL-X technology keeps the grease where it belongs; in the chain's bearings resulting in a longer life. Unique stretch-proof treatment has effectively enhanced the durability by reducing the attrition between the inner plates and pin. 1/2' X 1/8' - 112 Links pin length 10.0mm Compatible with: Track / Single speed Brass plated Top-Performance Lightweight: 375 grams Extremely durable Super Rigid; maximum efficiency Patented Sealed Locking design