Park Tool TSI-1 Tubeless Sealant Injector Justride Simply slip it on when

Simply slip it on when you need it and stow it away when you don't

and the 10-52t options provide riders with up to a whopping 520% gear range

SB002 +20mm - 22gr

and it features the versatility of four light modes

the light’s output automatically switches to full power mode with its ambient light detection

Park Tool TSI-1 Tubeless Sealant Injector Justride Simply slip it on whenTake the mess out of tubeless tire setup and removal. The TSI 1 enables you to inject the perfect amount of sealant directly into mounted tubeless tires through the valve stem without removing the bead from the rim. The long, thin tube is able to fit all the way through many Presta stems with removable valve cores, for tidy injection and removal of all injectable tubeless bicycle tire sealants. Features an oversized syringe body with easy to read