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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
27 B - Hub Center To Flange Center
Bottom Bracket Height: 299MM
Additionally the NB10k is IPX5 rated water resistant
Even the cleanest looking riding gear benefits from this uniquely formulated product
IRC Siren Comp Size:20 X 1 3/8 27 B - Hub CenterUses the same pattern as SIREN PRO. A new competition model of the SIREN series, which was developed with an aramid bead and emphasis on weight reduction. WEIGHT SIZE BEAD INFLATION IRC# 258g 20"x1. 50" Aramid 75100 295g 20"x1. 75" Aramid 75100 310g 20"x1. 90" Aramid 75100 343g 24"x1. 75" Aramid 4565 178g 20"x1 1 8" Aramid 90 259g 20"x1 3 8" Aramid 5075
