SunRace RD-M57 7/8-Speed Rear Derailleur Shimano Compatible Playtri_Coaching the geometry is designed to

the geometry is designed to put the rider in a more forward position

strength and comfort

The Verza Speed 40 features an upright riding position and ergonomic handlebars

which increases speed and buoyancy

The GORILLA CAGE will fit on any standard cage mounts

SunRace RD-M57 7/8-Speed Rear Derailleur Shimano Compatible Playtri_Coaching the geometry is designed to7 8 speed MTB rear derailleur Engineered polymer and steel construction Not compatible with Shimano MegaRange cassettes SHIMANO Equivalent RD M360 RD M410 RD M310 RD M280 Removable hanger included for use with direct mount or hanger mount Model: M57 Speed: 7 8sp Max: 34 Wrap: 43 Cage Mount: Long Ratio: 2to1 Color: BLK Wgt: 354g