SunRace M37 Rear Derailleur - 7-Speed Long Cage Black MFPN=00540 S3: “Narrow” intertrochanteric distance and

S3: “Narrow” intertrochanteric distance and high pelvic rotation (Flow and SuperFlow saddles)

Defined Color Black Diameter 25

Rack and fender eyelets at the dropout

Widths available for gravel to trail bikes

Upgraded from Ratchet 18T to Ratchet 36 SL technology

SunRace M37 Rear Derailleur - 7-Speed Long Cage Black MFPN=00540 S3: “Narrow” intertrochanteric distance andThe SunRace M3 Rear Derailleur is designed for 7 speed MTB drivetrains. Indexed adjuster Largest Cog 30 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 7 Weight 230 Chain Wrap Capacity (teeth) 37 Cage Length Long