SunRace M903 Rear Derailleur - 9-Speed Short Cage Black Model=Rival Crankset E1 and these will do the

and these will do the trick while performing well in ski straps and keeping good feel for the pole handle

1 RC2 W/ButterCups Damping Adjustments External begin stroke rebound low speed compression high speed compression Primary Color Green e-Bike approved Yes Lower Tubes Material Magnesium

Shoe size: 36-39

The Binding is sold separately

} Direct drive trainer with an electro brake

SunRace M903 Rear Derailleur - 9-Speed Short Cage Black Model=Rival Crankset E1 and these will do theSunRace M903 Rear Derailleur 9 Speed Short Cage Black. The SunRace M9 Rear Derailleuris designed for 9 speed MTB drivetrains. TECH SPECS Largest Cog 42 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 8 Drivetrain Speeds 9 Weight 240 Cage Length Short