SunRace M41 0S1 Rear Derailleur - 7/8-Speed Long Cage Black Model-Protek BR The pronounced relief channel further

The pronounced relief channel further assists in preventing feelings of numbness and related seating issues

5 mm thickness and a medium coarse counter-angled surface texture for the ideal all-in-one solution

E-bikes and S-Pedelecs also bring high speeds to the road outside of cycling

Designed by artist Fulvia Mendini for the Cinelli Art Program

Zippered main compartment opens towards rider zippered internal convenience pocket for keys/phone etc

SunRace M41 0S1 Rear Derailleur - 7/8-Speed Long Cage Black Model-Protek BR The pronounced relief channel furtherThe SunRace M4 Rear Derailleur is designed for 7 and 8 speed MTB drivetrains. 13T tension pulley Largest Cog 34 Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 8 Chain Wrap Capacity (teeth) 43 Cage Length Long Color Black Weight 376