BOX Cosine Chainring, 104BCD x 40t - Black


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BTI part #: BX5840
vendor part #: BX-CR144B40T-BK
UPC: 639266089858
ring type: single
mount: 4x104mm
teeth: 40
oval/round: round
color: black

  • CNC machined 6061-T6 aluminum with rounded tooth profile to reduce chain wear
  • 3rd party web sales must be an Authorized Dealer
in stock?: YES