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Blocs d'élévation 2 pièces 50 mm et boulons)
SRAM BB30 Wide)
inclut aiguille
Patins pour jantes en carbone disponibles séparément
Compatible with Hydra 6 bolt mountain rear hubshells - HG/XD drivers
Shimano, Dura Ace Di2 ST-R9170-L, Levier de freins/vitesses combinés électronique neuves Blocs d'élévation 2 pièces 50The DURA ACE Di2 ST R9170 brings both Shimano\'s praised hydraulic disc brake technology and the category leading DI2 electronic shifting in a package ready for the most demanding of race situations. An updated button feel and layout ensure precise shifting while enhanced ergonomics guarantee comfort, allowing you to concentrate on the effort at hand. Plus de contrle et de confiance en condition de course grce la nouvelle forme du levier de frein,