1821 Speed Medium Cage Mountain Bike Cycling Bicycle Rear Derailleur

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Description:

Great transmission function.
Alloy construction leads to lower weight without compromising strength and durability.
It will be replacement part for the broken of your bicycle.
Compatible with 18-speed and 21-speed bikes.

18/21 Speed Bike Rear Derailleur Medium Cage MTB Bicycle Accessories Black

Specification:

Material: Metal, Plastic
Size: Approx.14x9.5cm / 5.5x3.7inch
Hanger Hole Diameter: Approx.1.2cm / 0.48inch
Compatibility: 18/21 Speed
Color: Black

Package Includes:

1 Piece Bicycle Rear Derailleur

Bicycle Rear Derailleur;Bike Derailleur;21 Speed Bike;18 Speed Bike;7 Speed;Quick Release;Cycling

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