Promax 5-Bolt Chainring - 41t 110 BCD Black MPFN-44040035 Aggressive profile with ample sipe

Aggressive profile with ample sipe spacing for mixed terrain

7 Petroleum Based No

}Shimano EW-SD50 Di2 E-Tube Wire 150mm

7075 aluminum hub shell with integrated drive ring is light and strong

}Shimano GRX FC-RX810-1 Crankset - 170mm 11-Speed 42t 110 BCD Hollowtech II Spindle Interface Black

Promax 5-Bolt Chainring - 41t 110 BCD Black MPFN-44040035 Aggressive profile with ample sipePromax 5 Bolt Chainring 41t 110 BCD Black. Machined from high end aluminum Promax 5 bolt 110 BCD chainrings are designed to handle the torque and stress of modern BMX racing and are fully capable in other single speed applications. CNC Machined from high grade 6061 T6 series aluminum for high strength while providing weight savings Designed to be used with most cranksets and spiders that utilize a 5 bolt 110 BCD chainring TECH SPECS Color Black Ring