Shimano Complete bike group Ultegra DI2 R8170 170 mm,11-30T

Group shimano ultegra r8170 di2 f/disc, 170 mm, 50x34t, 11-34
this group contains:

ifdr8150f - shimano ultegra front derailleurs (di2 spec.) fd-r8150 double down swing braze-on color series
ir8170drrdsc170f - shimano ultegra brake (kit) brr8170ktstr8170 right/rear resin with fin without adapter, for 25 mm rear mounting thickness 1700 (black)
icsr810012134 - shimano ultegra cassette cs-r8100-12 12 speeds 11-12-13-14-15-17-19-21-24-27-30-34t
ibtdn3001 - shimano battery (di2 spec.) bt-dn300 internal 3,7 wh
ir8170dlf6sc100f - shimano ultegra brake (kit) brr8170ktstr8170 left / front resin with fin assembled front bracket for 160 mm 1000 disc (black)
ifcr8100cx04 - shimano ultegra crankset fc-r8100 12 speed 170.0 mm 50-34t color series
iewec300a - shimano charging cable ew-ec300
icnm8100126q - shimano chain cn-m8100 hg 12-speed e-bike rated 126 links quick-link
irdr8150f - shimano rear derailleur 12s di2 rd-r8150 ultegra

Crankset chainrings: 50x34T

Cassette teeth: 11-34

Crank length: 170 mm