ICSR710012134 - SHIMANO 105 Cassette Sprocket CS-R7100-12 12-speed

The minimalist design eliminates crevices where dirt accumulates

The new chain features quick-link assembly and SIL-TEC treatment for extended offroad durability

and stainless steel

four-layer chamois provide optimal support and minimize drag

ceramicspeed bottom bracket ita shimano Color_Navy ICSR710012134 - SHIMANO 105 CassetteITA Shimano Bottom Bracket is designed for road bikes with Italian threading, which originates from British Standard Cycle and is equivalent to BSA threading. This kit is compatible with 24mm diameter thru axle cranks, commonly used by major brands like Shimano, FSA, and Rotor. Choose from two options for the cups: Standard Bearings with low drag from hardened steel races and Ceramic balls, or Coated Bearings with longer life and reduced bearing drag