12T Aluminum Alloy Road MTB Bike Rear Derailleur Pulley Jockey Wheel 4

Description:

Made of aluminum alloy, after polishing and anodizing, it is more wear-resistant, durable to use
Positive and negative tooth guide wheel can effectively inhibit the horizontal swing of the chain, make the speed change smoother and the chain is more stable.
Using ceramic bearing, can reduce drag force which can improve cycling efficiency. Ceramics bearing, super lubricating, noiseless!
Teeth: 12T. Stronger compatibility with rotation, Suitable for use 4 / 5 / 6 mm guide wheel screws
Durable to use and longer life

Specification:

Type: Rear Guide Wheel
Material: Aluminum Alloy
Bearing: Ceramic bearing
Specifications: 12T
Diameter: approx 48mm
Fits Axis: 4mm/5mm/6mm
Thickness: 8.5mm/0.34 inch

Package Includes:

1x Rear Guide Wheel
2x Installation Hole Adapters

Note:

1.Please allow 1~3 cm error due to manual measurement, thanks.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you

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