SRAM PC-1091 Chain Apparel Brand_KOO The Shimano 105 Di2 12-speed

The Shimano 105 Di2 12-speed electronic shifting system offers precise and reliable gear changes with the push of a button

21" - 170mm travel

The Fly Cage’s clean lines and clean laser logo really stand out

The results speak for themselves

SRAM PC-1091 Chain Apparel Brand_KOO The Shimano 105 Di2 12-speedHollow riveted pins with nickel silver outer and inner plates 10 speed SRAM and Shimano compatible chain Updated for MY11+ with new materials and a modified design to improve chain wear and shifting performance for both road and mountain applications Chrome hardened, flush rivet pins improve strength and provide quieter operation Super narrow PowerLock connector closes without tools (one time use) 114 links Weight: 255g