OEM Manufacturer CeramicSpeed Pulley Wheel System - Aluminum Derailleurs Pulley – Kactus Sports Detail:
bicycle jockey wheel pulley for speed gear set Mountain bike or Road Bike pulley Speed Rear Derailleur Wheel

Product description
*11T rear RD pulley weight: 9g
*Material: AL7075-T6 aluminum alloy CNC machining
*Installation size: 6MM/5MM/4MM
*outside diameter 42mm
*Color: Anode red, enamel, blue, gold, titanium
*Bearing: Steel Ball Bearing / Ceramic Bearing
*suitable for : All conventional transmissions
*This product is made of AL7075-T6 round bar CNC, finished with diamond knife, diamond-like The metal texture and the appearance of the product are excellent. Adopting the Japanese imported steel ball lining, the rotation has no resistance, which greatly reduces the frictional resistance and improves the riding efficiency.
This is the most conventional RD pulley, but with much improved material, appearance, process and assembly.
For very little cost, you can have a much better product than the original ones.
Product detail pictures:

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We persistently execute our spirit of ''Innovation bringing growth, Highly-quality making sure subsistence, Administration marketing reward, Credit history attracting clients for OEM Manufacturer CeramicSpeed Pulley Wheel System - Aluminum Derailleurs Pulley – Kactus Sports, The product will supply to all over the world, such as: Nairobi, Macedonia, Dubai, we're now looking forward to even greater cooperation with overseas customers based on mutual benefits. We are going to work wholeheartedly to improve our products and services. We also promise to work jointly with business partners to elevate our cooperation to a higher level and share success together. Warmly welcome you to visit our factory sincerely.
Good quality and fast delivery, it's very nice. Some products have a little bit problem, but the supplier replaced timely, overall, we are satisfied.
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