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Shimano 105 5600 Crankset 10 Speed The Shimano 105 5600 Crankset Hollowtech II crank and bottom bracket combines race-proven hollow forging technology with the integrated crankset & bottom bracket. Weight is reduced while rigidity & power transfer is radically increased... In addition to Hollowtech II integrated design; the crank arms are hollow which provide amazing strength and rigidity at a light weight. Finally, SG-X chainrings enable super smooth front shifting. Special tooth profiles, pick-up spikes and ramps help make the front derailleur shifts quiet, easy and trouble free for you the rider. Bottom Bracket Cups Are Sold Seperately HERE |
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