Shimano Ultegra RX Di2 RD RX805 Variation:Shimano, Ultegra RX Di2 RD-RX805, Road rear derailleur, Speeds: 11, Cage: GS, Grey T-wrench for chainring bolt nuts

T-wrench for chainring bolt nuts with T30 Torx and 5 mm hex bits

Le design X-HORIZON réduit la friction et les changements de vitesses non sollicités et améliore la tension de la chaîne

New improved upper slider – slimmed down to increase tire clearance and compatibility with a wider range of frame types

Beer sold separately

pour cadre 135 mm/142 mm* Bras creux en aluminium * Plateaux en acier riveté très durable* Requiert le jeu de pédalier SM-BB52

Shimano Ultegra RX Di2 RD RX805 Variation:Shimano, Ultegra RX Di2 RD-RX805, Road rear derailleur, Speeds: 11, Cage: GS, Grey T-wrench for chainring bolt nuts* Road derailleur with Shadow+ clutch technology for increased chain retention* Compatible with Dura Ace Di2 and Ultegra Di2 shifters* Ideal for CX and gravel bikes* Available only with GS cage* Max front difference: 16T* Total capacity: 39T* Compatible with 11 28 to 11 34 cassettes* Weight: 248 g