The Kili flyer 121 is a Saracen 2015 model mountain bike. It features a lightweight alloy frame with UK-Specific design. The fork is a X-Fusion Sreat RL / 120mm travel / lock-out / Tapered Steerer / 15mm. The rear shock is a Fox Float Evolution CTD. In addition it also features a Shimano Deore M615 Shadow Plus rear deraileur and Shimano Deore M616-D front deraileur. The bike also featuers a Shimano HG50 10-speed cassette 11-36T. All this makes it a great full suspension cross country mountain bike.