Shimano 105 fc 5800 standard bicycle chainset black 1725mm 5339
Hollowtech ii providing the best balance of stiffness strength weight and rotating performance key features optimum power transfer rider tuned wide range gearing specifications cassette compatibility 11 chainring sets 50 34t 52 36t 53 39t crank arm length 165 170 1725 175 chain line 435
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