Entry level 7/8-speed chain set offering slick hyper drive shifting performance for off road enthusiasts. Hyper drive SG-X chain rings for fast and smooth gear shifts. Features 7/8-speed compatible steel chain rings. Designed for use with 123 mm square taper bottom brackets. This item is Open Box Grade A, meaning it is new and unused with possible box damage or a replaced box with the item seal removed. The item is otherwise complete with all accessories as expected from a new item and comes with a 12 months warranty. Size: 170mm, Teeth: 48/38/28T, Color: Black.