The TRIPEAK Sram AXS XPLR pulleys in black are spare parts designed for the transmission system of Sram AXS XPLR groupsets. These pulleys are essential components that guide the chain smoothly and efficiently as it moves through the derailleur, ensuring precise shifting performance. Constructed from durable materials, these pulleys are engineered to withstand the rigors of off-road riding and provide long-lasting durability. The black color adds a sleek and stylish look to your bike's drivetrain. With these TRIPEAK pulleys, you can maintain the optimal functionality of your Sram AXS XPLR transmission system, ensuring smooth and reliable shifting for your adventures on gravel and mixed terrain. Upgrade your ride with these high-quality spare parts for a more efficient and enjoyable cycling experience.