Factory selling Carbon Fiber Cloth Twill - 100% Original Colorful Anodized Aluminum Best Bicycle Set Bike Rear Derailleur Pulley – Kactus Sports

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We’ve one of the most innovative manufacturing devices, experienced and qualified engineers and workers, recognized good quality handle systems and also a friendly experienced income team pre/after-sales support for Bicycle Derailleur, Bicycle Rear Derailleur, Rear Derailleur Pulley, If you are for any reason unsure which product to select, do not hesitate to contact us and we are going to be delighted to advise and assist you. This way we’ll be providing you with all the knowledge needed to make the best choice. Our company strictly follows “Survive by good quality, Develop by keeping good credit. ” operation policy. Welcome all the clients old and new to visit our company and talk about the business. We have been looking for more and more customers to create the glorious future.
CNC Machined rear derailleur pulley jockey wheel for rear derailleur

Product description

*12T narrow-wide tooth guide wheel weight: 11.4g 

*Material: AL7075-T6 aluminum alloy CNC machining

* installation size: 6MM/5MM/4MM 

*outside diameter 50.3mm

*Color: Anode red, enamel, blue, gold, titanium

*Bearing: steel ball / forest / ceramic Palin 

*Application scope: All conventional transmissions

*This product is made of AL7075-T6 round bar CNC. It is finished with diamond knife and has a diamond-like metal texture. The appearance of the product is excellent. Adopting the Japanese imported steel ball lining, the rotation has no resistance, which greatly reduces the frictional resistance and improves the riding efficiency. 

Optimized narrow-wide tooth design, increasing shifting speed, decreasing friction resistance, enhancing chain stability, suppressing shifting noise.

if you hear shifting noise from a narrow-wide tooth pulley louder than that from a normal tooth pulley, it’s most likely caused by poor design of tooth angle or poor process. Just remember, noise is not good, the lower the noise the better.