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Single chainrings are obviously simple to use: no front derailleur
Recommended BB BSA: SM-BBR60
CeramicSpeed hand-built bearings carry the load from crank to frame with un-paralleled durability & efficiency
Racing inspired speed and feel
Carbon Fibre Reinforced Polymer
Shimano EW-SD50 Electric Wire Di2 800mm KWT Single chainrings are obviously simpleFEATURES The removal of traditional mechanical cables in favour of electrical wires not only eliminates poor shifting caused by contaminates, corrosion and stretching, but provides effortless gear shifts E tube Di2 uses a fully removable individual cable system from the battery indicator junction box enabling fine tuning with the correct cable length to each component for easy and tidy fitment EW SD50 wires are required to connect the junction (either
