Shimano SM-CRE80-12-SB 4 ARM ADAPTOR C/L:56.5mm - 104 mm BCD Replace Images Tyre Insert Air Flow System:

Tyre Insert Air Flow System: 6 slots machined into the base of the valve stem for compatibility with most tubeless tyre inserts and allowing your tubeless sealant fluid and air to flow freely when running tubeless tyre inserts

high-performance wheelset with a proven pedigree in Enduro World Series and World Cup DH races

Very aggressive tread pattern

76 oz (w/ Storage Box)

Includes stainless steel bolts

Shimano SM-CRE80-12-SB 4 ARM ADAPTOR C/L:56.5mm - 104 mm BCD Replace Images Tyre Insert Air Flow System:Chainring spider for the Shimano STePS SM CRE80 and SM CRE80 B as well as the SM CRE70 and SM CRE70 B chainrings of the FC E8000, FC E8050 and FC M8050 crank arms. Adapts chainrings with a 104 mm BCD.