Juegos de bielas de carretera de carbono superligeras 295 g eje DUB 170 172,5 mm brazos 1x 2x compatibles

WEIGHT: 295g+10g丨170mm/24MM(Crank only). AXLE/SPINDLE:Aluforged DUB 29mm / Aerospace Titanium 24mm. Weights 1X Weights 2X 2X Chainrings: 50-34T、52-36T、54-40T、56-42T. 1X Chainrings: 46T、48T、50T、52T.

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