2013 Shimano 105 FC-5703 105 10 Speed Chainset Triple Black 170mm 50/39/30T

• Shimano 105 5703C Chain Set - Black、 50/39/30 Teeth/Large [Sports]

Untitled Documentbody、td、th { font-family: Arial、 Helvetica、 sans-serif; font-size: 12px;}Lightweight HollowTech II 105 10-speed chainsetInnovative HollowTech forged and anodised aluminium crank arms utilise a hollow design that minimises flex and keeps the weight low The chainring teeth have been developed to work in conjunction with the CN-5701 chains for increased contact to provide greater efficiency and improved power transfer HollowTech II allows the bottom bracket bearings to be spaced wider apart (outboard from the frame)、 enabling the use of larger bearings and an increased axle diameter The system allows for easier installation、 adjustment、 and maintenance Lightweight anodised SG-X aluminium chainrings for smooth and precise shiftingFor use with ST-5703 or ST-6700

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