Basic Info.

Product Description

The full groupset includes: 1. di2 sti 10 speed shifters 2. di2 front derailleur- the "brains" of the system 3. di2 rear derailleur 4. crank 53 x 39 (who needs a compact anyway ? ) 172.5 mm length. 5. bottom bracket (7900 , bsa thread only) 6. 7901 10 speed chain 7. 11 x 25 10 speed cassette 8. front/rear brakes- pair 9. battery (sm-btr1-a) li-ion battery 10. charger unit (sm-bcr1) and power cord. 11. sti cable- external ; spec m - 830 mm