Introducing the Quarq DZero XX1 Eagle AXS DUB Boost Power Meter Spider, a high-performance crankset designed for mountain bikes. This crankset is compatible with BB30 bottom bracket shell type and has 12 speeds. It comes in a sleek black color and has a width of 8.00 inches with a weight of 0.70 pounds. With its 104 BCD and 8-bolt crank, this crankset is perfect for cycling enthusiasts who want to experience smooth and efficient performance on their mountain bikes. It is manufactured by SRAM and is part of their line of high-quality bicycle components and parts. This item is sold as a single unit and is California Prop 65 compliant.