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The original sealant formulation
like our new Air Tool Comp
providing longevity even in the tough conditions faced in off-road riding
Improved Heat Dissipation:
Shimano Ultegra Di2 R8150 Front Derailleur hex The original sealant formulationThe all new Shimano Ultegra R8150 Di2 12 Speed Front Derailleur is Shimano's sleekest and fastest shifting derailleur to date. It offers a 45% decrease in shifting time over the Dura Ace R9150 a 33% reduction in frontal area (think of all the aero gains) and a featherlight weight of only 116g. With the Shimano Ultegra R8150 Di2 12 Speed Front Derailleur" you can expect smooth and precise shifting under any circumstances. If you're serious about
