TEMU Enlee Mountain Bike Guide Wheels 11t 13t Rear Derailleur Guide Wheels With Steel Bearings, Compatible With Gear Systems

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Brand new, open box item. Box may have some damage, but item is unaffected. The rear derailleur is located on a bicycle with derailleur gears, which is attached to the frame by a derailleur hanger near the rear wheel axle. When pedaling, the chain runs over a chainring through the rear derailleur via a sprocket back to the chainring. When you operate the shift lever to jump from one sprocket to the next on the rear wheel, a gear change is initiated mechanically or electronically. The rear derailleur ensures that the running chain is also transferred to the next sprocket and consists roughly of a cage, a shifting parallelogram and two shifting or deflection pulleys. Long life Compatible High quality Comfortable aluminum multi-position handlebar