Promax 4-Bolt Chainring - 42t 104 BCD Black ModelNumber=K8479 }Salsa Warroad V1 BB Hatch

}Salsa Warroad V1 BB Hatch Cover Assembly

Singlespeed “specific” (derailleur hanger but no Trip Guides)

}SRAM GX 2X11 Rear Derailleur B Bolt and Limit Screw Kit

}Shimano SLX RD-M7000-11-GS Deore RD-M6000-GS Rear Derailleur Stabilizer Unit

Optimized braking power curve and stability for the regular rider

Promax 4-Bolt Chainring - 42t 104 BCD Black ModelNumber=K8479 }Salsa Warroad V1 BB HatchPromax 4 Bolt Chainring 42t 104 BCD Black. Machined from high end aluminum Promax 4 bolt 104 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 4 bolt 104 BCD chainring TECH SPECS Color Black Ring