Shimano XT RD-M8000-SGS Rear Derailleur - 11 Speed Long Cage Black CheckoutSpec= 190/200 x 51 It prevents the handlebars from

It prevents the handlebars from overturning and helps children ride straight

50 Tire Diameter/ISO 28/622 Tubeless Technology TLR e-Bike approved Yes

Internal Lock Size Metric 80cm Primary Color Green Bracket SH Internal Lock Size Imperial 2

6 sealed cartridge bearings (2F + 4R)

Shimano XT RD-M8000-SGS Rear Derailleur - 11 Speed Long Cage Black CheckoutSpec= 190/200 x 51 It prevents the handlebars fromShimano XT RD M8000 Rear Derailleurs Largest Cog 46 Color Black Rear Der Shifter Compatibility Shimano Mountain Rear Derailleur Mount Type Shimano Rear Direct Mount Drivetrain Speeds 11 Weight 275 Chain Wrap Capacity (teeth) 47 Cage Length Long