FSA Afterburner ABS Megatooth MTB Chain RingSpecifically designed for MTB (mountain bike) riding, this 11 speed chainring offers exceptional torque, speed and power as you take on every off-road challenge. It features a dependable alloy construction, which allows it to handle all the abuse that’s associated with weaving between the MTB trails. FSA has also put this model through a CNC-machining process, which shaves off any excess weight while still retaining its strength. One final highlight is its Megatooth design that ensures the chain won’t derail.Features: Material: Precision CNC-machined AL7075/T6 Alloy Finish: Anodised black with CNC-machined silver details Use: MTB Speed: 1x11 speed Shifting ramps and Stainless Steel pins on outer rings Outer ring threaded for chainring bolt only (no nut required) Manufacturer’s Part Numbers: 38T: 380-0083004050; 30T: 380-0079021050; 28T: 380-0078023050; 34T: 380-0081002050 and 32T: 380-0080001050Buy FSA Components from Chain Reaction Cycles, the World’s Largest Online Bike Store.