Onyx Stainless Cog: Shimano Compatible 3/32" 18t ModelNumber=K4879 }SRAM Rival 1 Rear Derailleur

}SRAM Rival 1 Rear Derailleur - 11 Speed Medium Cage Black/Silver

Additionally it allows the user to route wires/hoses internally when paired with compatible stem/headset combo or externally with any traditional stem and headset equipped bike

Compatible with Shimano 12-speed drivetrains

75 Wheel Diameter 20

Onyx Stainless Cog: Shimano Compatible 3/32" 18t ModelNumber=K4879 }SRAM Rival 1 Rear DerailleurOnyx stainless steel single speed cogs. Broached splines are made exactly the same for every cog every time Made in the USA Tooth Count 18 Cassette Body Type Shimano HG 7 Speed Drivetrain Speeds Single Speed 3 32" Material Stainless Steel Defined Color Silver Teeth 18T