BOA is a cable system that pulls evening with a single dial

With a max 200PSI this will hit any MTB tread with ease plus it has an air release button to dial in your pressures

Now you can have all the technology of SRAM's patented X-SYNC chainrings at a ridiculously low pricepoint

5 / 3 (2 pcs) / 4 / 5 / 6 / 8 / 10 mm Allen

Park BBT-30.4 BB30 - PF30 BB Tool Set PLP|EMTB Optimised BOA is a cable systemThe Park Tools BBT 30. 4 is designed to remove and install BB30, PF30, 386evo, BBright and PF121 BB bearings. It also comes with a bushing set so you can use your headset or BB press to fit the new bearings back in. Check out the video below to see how it all works!