SunRace M903 Rear Derailleur - 9-Speed Short Cage Black Model=Rival Crankset E1 Shoe size: 36-39

Shoe size: 36-39

} Direct drive trainer with an electro brake

Not compatible with tubeless tire bodies or thermoplastic polyurethane (TPU) inner tubes such as Tubolito or Schwalbe Aerothan

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

SunRace M903 Rear Derailleur - 9-Speed Short Cage Black Model=Rival Crankset E1 Shoe size: 36-39SunRace 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