The FSA K-Force MTB 392Evo Chainset 1x11 is a top-of-the-line product designed for mountain biking. It features hollow carbon fibre arms with a sleek UD finish, giving it a lightweight and strong construction. The forged AL7050 BB392Evo axle ensures durability and stability during intense rides.With a Ø30mm forged AL7050 axle, this chainset is built to withstand the rigours of off-road riding. The AL7075 100% CNC chainrings and Torx T-30 alloy chainring bolts provide smooth and efficient power transfer.This chainset is compatible with both Shimano and Sram 10-11 speed systems, offering versatility for different setups. The thick-thin tooth design maximizes chain engagement, ensuring reliable performance on the trails.You have two length options to choose from: 170mm and 175mm. The BCD (Bolt Circle Diameter) is 76mm ABS (Asymmetric Bolt Spacing), which further enhances the chainset's performance.The K-Force MTB 392Evo Chainset 1x11 is available in four different tooth sizes: 36T, 34T, 32T, and 30T. The chainset has a sleek UD carbon finish, and the colour graphics option is grey.With a weight of just 425g, this chainset is both lightweight and durable. It is a great choice for mountain bikers looking for a high-performance and reliable component for their bikes.