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Ceramic Speed OSWP coated on the Shimano Dura Ace 9070 Di2 derailleur. #twohubs #bikeporn #ceramicspeed #oswp #oversizedpulleysys… | Football helmets, Shimano, Bike
CeramicSpeed Coated Oversize Pulley Wheel System for Shimano Dura-Ace 9200/ Ultegra 8100 | Trek Bikes
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