Shimano CN-6600-10 Chain - 10-Speed, 116 Links, Silver/Gray Bike Accessories Brand_Avid Shimano BB-UN55 Square Spindle Bottom

Shimano BB-UN55 Square Spindle Bottom Brackets

It has been very successful so far and is great for both Road and Tri

Optimum Chainring Position power tuning feature: 5 OCP settings (1

3 % recycled materials in the upper4

double-crossed spoking

Shimano CN-6600-10 Chain - 10-Speed, 116 Links, Silver/Gray Bike Accessories Brand_Avid Shimano BB-UN55 Square Spindle BottomSuper Narrow Chain for 10 speed Special chain connection tool (TL CN23 CN32) is required for CN 6600 Not compatible with 9 speed system Weight: 280g (116 link) Chromizing Treatment On Pin X Series Ultegra Type HG 10 speed Generation Ultegra 6600 Pin Link Plate Zinc Alloy Plated Speeds 10 Average Weight 273g Roller Link Plate Gray