Park Tool TSI-1 Tubeless Sealant Injector Box Pack the SHIMANO GRX derailleur provides

the SHIMANO GRX derailleur provides a quieter experience and shifting security and precision on mixed terrain

NUT LENGTH: 10mm

Shifter to Handlebar Junction A: 350mm

Road/ MTB Approved

while still passing our strict internal MTB strength test

Park Tool TSI-1 Tubeless Sealant Injector Box Pack the SHIMANO GRX derailleur providesTake 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. The oversized syringe body features an easy to read gauge