BOX Cosine Chainring 104BCD x 40t - Black MPFN-MTB34FN Ultra-wide 64mm clamp width

Ultra-wide 64mm clamp width

}Shimano Ultegra FD-R8000 11-Speed 34

}Full Speed Ahead BB86 Bottom Bracket Kit - BB86 For Gossamer and Energy Cranksets Steel Bearings

They are designed for 4-bolt or 5-bolt FSA cranks such as Gossamer SL-K and K-Force with asymmetric bolt spacing

Optional Speed Lock technology greatly facilitates installation of the brakes on frames that have internally routed housing

BOX Cosine Chainring 104BCD x 40t - Black MPFN-MTB34FN Ultra-wide 64mm clamp widthCNC machined 6061 T6 aluminum with rounded tooth profile to reduce chain wear 3rd party web sales must be an Authorized Dealer TECH SPECS ring type single mount 4x104mm teeth 40t oval round round color black