Stan's Original DART Tool Bearings An easily adjustable bearing preload

An easily adjustable bearing preload feature makes it fast and simple to fine tune M-pulse hubs for reduced friction and less resistance

our Race Day Tubeless Sealant provides highly effective puncture sealing performance to riders of all levels during their own race or long distance event

power is always instantaneous

requires additional valve stems

Stan’s unveiled the Dual Action Repair for Tubeless (DART) Tool in 2019

Stan's Original DART Tool Bearings An easily adjustable bearing preloadStans unveiled the Dual Action Repair for Tubeless (DART) Tool in 2019, ushering in the first repair plug designed specifically for tubeless bicycle tires, rather than a scaled down version of what was available in the automotive and motorcycle world. Subsequent refinements made way for the tools rerelease as the Original DART Tool in 2025, introducing a stainless steel insertion rod accompanied by an improved DART developed through the first tools