Shimano Tiagra FC-4700 Crankset - 175mm 10-Speed 48/34t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray MFPN=00.7518.151.000 Engineered with improved durability of

Engineered with improved durability of 2 part steel and aluminum assembly

}KMC X9 Chain - 9-Speed 116 Links Silver/Gray

meaning 18 engagement points per click

BB86/92 Thread Together Bottom BracketReplaceable Enduro bearings

It is directly descending from the B66 Champion first featured in the 1927 catalog

Shimano Tiagra FC-4700 Crankset - 175mm 10-Speed 48/34t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray MFPN=00.7518.151.000 Engineered with improved durability ofShimano Tiagra FC 4700 Crankset 175mm 10 Speed 48 34t 110 Asymmetric BCD Hollowtech II Spindle Interface Gray. The Shimano Tiagra FC 4700 2 piece crankset balances weight and efficiency without sacrificing stiffness. Optimal balance between stiffness and light weight provides outstanding power transfer Aluminum construction with anodized finish provides strength weight savings and keeps the crankset looking great Gear shape optimized for HG X chains