SRAM Red D1 Flattop 114 Links w/PowerLock 12 Speed Chain Apparel Brand_Pearl iZumi It's the ultimate cycling jersey

It's the ultimate cycling jersey

This specific SRAM Mechanical version of the Oversized Pulley Wheel System is only compatible with the following mechanical rear derailleurs

and CO2 cylinders

58cm COLOR(S) Black

SRAM Red D1 Flattop 114 Links w/PowerLock 12 Speed Chain Apparel Brand_Pearl iZumi It's the ultimate cycling jersey*Flattop technology enables a narrower chain with quieter operation and increased strength and durability *Hard Chrome plated inner link plates and rollers for reduced wear and prolonged life. *HollowPin construction for increased strength and efficiency *Requires new Flattop Powerlock Specifications Compat Speed (CN): 12s Road Outer link finish: Nickel Color Outer link: Silver Inner link finish: Chrome Plated Color Inner link: Silver Chain connector: