BOX Four Prime 9 Chain 8-Speed Narrow-Wide, Durable Steel, 116 Links Compatibility_Trek Rail Its inner hole is precisely

Its inner hole is precisely sized to fit standard 1/2" threaded rods-making it versatile and compatible with any press featuring a 1/2" diameter rod

Constructed with flat seam technology

a critical advantage during remote expeditions

Must use with specific OS20 frames and rims

BOX Four Prime 9 Chain 8-Speed Narrow-Wide, Durable Steel, 116 Links Compatibility_Trek Rail Its inner hole is preciselyUpgrade your bike's drivetrain with the BOX Four Prime 9 Chain (8 Speed) 116 Links, Natural Gray, engineered for durability, precision, and seamless compatibility. Crafted with advanced Prime 9 Technology, this chain offers a wide gear range without added complexity, making it an ideal choice for versatile cycling disciplines including mountain biking, commuter riding, and adventure touring. ### Materials & Construction Made from hardened solid pins