BBB RollerBoys Sram Jockey Wheels 12T

• 12T
• Narrow-Wide tooth profiling ensures ultimate chain retention
• Composite material provided by EMS Swiss with 40% glass-fibre mixture
• RollerBoys equipped with low friction ceramic bearing for ultra-smooth glide and exceptional durability
• Lubricated with special ceramic light oil for extra smoothness

Compatible With: SRAM Rival 1, CX1, Force 1, X1, XX1, X01, GX1

Made Of: Grivory EMS