1x Aero Chain Guide Dura-Ace Di2 BB-FRAME INTERFACE BB30 CHAINLINE n/a

BB-FRAME INTERFACE BB30 CHAINLINE n/a SPINDLE LENGTH n/a SUPPORT E-TYPE FD n/a CRANK-BB INTERFACE BB30 BEARING TYPE Standard SPINDLE DIAMETER 30mm CUP MATERIAL n/a

The HSF Aeria bottle smooth's airflow onto the frame

- Carbon composite sole with stiffness 6 giving it all

KICKR RUN requires a dedicated 15 amp circuit and non-GFCI outlet or breaker

AA battery-powered

1x Aero Chain Guide Dura-Ace Di2 BB-FRAME INTERFACE BB30 CHAINLINE n/aConvert your 2x crank into a 1x setup by replacing your bulky and non aero front derailleur with this slim aero optimised unit (improves airflow around the derailleur area to minimise drag and save you a few watts). Also prevents those annoying accidental shifts to the small ring when you least want them! 24mm up down adjustment (including frame bracket) Suits ROUND chainrings from 50T to 62T Suits OVAL chainrings from 50T to 58T Fits to 2 ring crank