microSHIFT Estes 1x Rear Derailleur - 7/8/9-Speed Super Short Cage 28-32t Max Cog 11-14t Min Cog 21t Capacity BLK MFPN=00.4318.054.000 36 E-Optimized Factory forks are

36 E-Optimized Factory forks are made specifically for the rigors of E-Bikes with a stouter chassis and longer durability due to adding material to strengthen critical areas

e-Bike approved No Certification CPSC EN1078 Size SM Helmet sizing in cm 54 - 58cm Visor Yes Integrated Light No Misc Raven Black Primary Color Black

OEM replacement upgrade for Sur Ron Ultra Bee

Protects rear derailleur by maintaining chain tension when the rear wheel is removed

microSHIFT Estes 1x Rear Derailleur - 7/8/9-Speed Super Short Cage 28-32t Max Cog 11-14t Min Cog 21t Capacity BLK MFPN=00.4318.054.000 36 E-Optimized Factory forks aremicroSHIFT Estes Rear Derailleur 7 8 9 Speed Super Short Cage for 20" Wheels 28 32t Max Cog 11 14t Min Cog 21t Capacity Black. For riders that want worry free shifting Estes delivers. With robust wide set pivots a more rigid body and cage and high quality metric adjustment hardware microSHIFT Estes rear derailleurs perform well above expectations. TECH SPECS Largest Cog 32Rear Der Shifter Compatibility Shimano MountainRear Derailleur Mount Type 10x1