Shimano CN-6600-10 Chain - 10-Speed, 116 Links, Silver/Gray 50off The heel pre-loader provides excellent

The heel pre-loader provides excellent support for your ankle and heel

you won't even know it is there

with a snug heel pocket and a medium instep

Reinforced cable connectors and ladders

Shimano CN-6600-10 Chain - 10-Speed, 116 Links, Silver/Gray 50off The heel pre-loader provides excellentShimano CN 6600 10 Speed Chains Hyperglide 10 Speed chain Ultegra 6600 and 105 5600 chains are recommended for use in conjunction with Ultegra 6703 and 105 5703 triple Optimized chain for HG sprocket which provides a fast and precise rear shifting performance (especially during downshifts) Chromized rivet pins improve wear resistance Zinc alloy plated outer link surface treatment