SPANK Oozy 220 Saddle rear-derailleur the PG-950 is the right

the PG-950 is the right choice for light weight

Using Di2 components with different firmware versions may cause malfunctions

use 118/73 Powerspline Bottom Brackets

The PRO Bottle Side Cage R Alloy is a side-pull bottle cage which opens to the right

Full-length zipper

SPANK Oozy 220 Saddle rear-derailleur the PG-950 is the rightThe Spank Oozy 220 Saddle features a contoured, race inspired profile to support the rider equally well on uphill and downhill courses. It has a slight kick up in the rear of the saddle which enhances power delivery on ascents and adds lower back support. Adaptive edges in high friction areas contour to riders personal shape and movement. Reinforced impact zones and pronounced relief channels secure rider positioning for E MTB applications.