Shimano Bottom Bracket BB-R9100 Dura-ace Italian 70mm Airbrake MX EXO+ is Maxxis’ medium-duty puncture

EXO+ is Maxxis’ medium-duty puncture protection option suitable for all-around trail riding and light weight e-bikes

add in our legendary EXO puncture protection layer in the sidewalls

NC machine shop

Made in the USA

Find all the documentation needed to set up

Shimano Bottom Bracket BB-R9100 Dura-ace Italian 70mm Airbrake MX EXO+ is Maxxis’ medium-duty punctureThis Shimano Dura Ace R9100 Bottom Bracket, utilising Hollowtech II technology, has smaller lightweight bearings and an advanced seal construction for smoother rotation and increased durability. Outside positioned bearings are for better weight distribution and more stability. Series: DURA ACE . BB Shell Width: 70mm . Bottom bracket with small ball bearings for light weight . Advanced seal construction for smoother rotation . Cups Material: aluminium