: 170mm 172,5mm 175mm
:
ilość zębów kasety : 11-23T 11-25T 11-28T 12-23T 12-25T
Complete group: Shimano Ultegra gear 6770 a road! Ultegra 6770 group, with its elektonicznymi components for on-road, was created for a more comfortable ride. 6770 Ultegra Di2 technology is based on inherited from the Dura-Ace Di2 system and the intelligent Shimano Elektornicznym System (SEIS), developed for the 7970 group, while its use by the professional participants of the pack. The group includes: Shimano Front Derailleur FD-6770 Ultegra Di2 (on hook) Rear Derailleur Shimano Ultegra RD-6770 SS Di2 (short carriage) Klamkomanetki Shimano Ultegra Di2 ST-6770 (2x10 speed) Cassette Shimano Ultegra CS-6700 (choice of 11-23T, 12-23T, 11-25T, 12-25T) Chain Shimano Ultegra CN-6700 (10 speed) Brakes Shimano Ultegra BR-6700 (set) Crankset + Shimano Ultegra bottom bracket FC-6700 (choice of 53/39 or 50/34 teeth, long arms 170mm; 172.5 mm, 175mm) Attaching the battery: SM-BMR1-L Battery: SM-BTR1 (durability katalogowo: 3000km on a single ładowniu) Electrical cable with battery life indicator: SM-EW67A-E Cable sheath: SM-EWC2 Battery holder: SM-BMR1 Battery: SM-BTR1-A Battery charger: SM-BCR1 Cables to the charger: SM-BCC1 The main advantages - Extremely easy operation, with Di2 technology - Cyforwa reduces the risk of error handling and durability ludziekgo - Ergonomics controllability achieved with Di2 technology is a step to the next generation of cycling - Optimum ergonomics improves the controllability - The position of the front derailleur auto adjustment (auto trim) makes driving even easier - Error detection system can be installed on a PC
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