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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17
Compatible with Tubeless Ready mounting
The SHIMANO Ultegra 6800 BSC bottom bracket is equipped with new bearings with a 50% reduction in friction compared to the 6700 model
With Semi-Synchronized Shift technology
il faut noter que ce modèle est compatible avec les cadres conçus pour recevoir des freins à disque
limite les mouvements inutiles et élimine les changements de vitesse intempestifs
Galets de Dérailleur Arrière 11V SHIMANO ULTEGRA 6800 No Hartje Compatible with Tubeless Ready mountingThe SHIMANO Ultegra 6800 6870 11 speed rear derailleur pulleys allow you to replace your worn pulleys to maintain optimal performance of your 11 speed derailleur. This high end pulley set, consisting of a tension pulley and a guide pulley, features two high precision sealed bearings that facilitate power transfer and prevent friction.
