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STAR UNION focuses on bicycle and e-bike components designed for everyday riders, bike enthusiasts, repair shops, and professional users. Our goal is simple: provide reliable products, practical solutions, and responsive support for riders who want to keep their bikes running safely and smoothly.
Our product range includes hydraulic disc brakes, brake pads, brake rotors, brake adapters, bleed kits, brake hoses and fittings, bike lights, portable tire inflators, grips, bags, and other cycling accessories. We continue to expand our range based on real riding needs, customer feedback, and product testing.
Brake systems are one of our key product categories. We offer solutions for city bikes, mountain bikes, e-bikes, folding bikes, and electric trikes, with different brake configurations available for different riding and installation requirements. We also provide compatible replacement parts and maintenance tools to help customers service and maintain their bikes more easily.
At STAR UNION, we believe good products should be supported by good service. Our team works closely with customers to help with product selection, compatibility questions, installation support, troubleshooting, and after-sales service.
We serve customers in the United States, Europe, and other international markets through our online store and distribution partners. We are committed to continuously improving our products and listening to feedback from riders, bike shops, and industry partners.
Whether you are upgrading your bike, replacing worn components, or looking for reliable cycling accessories, STAR UNION aims to provide practical products and dependable support for every ride.
Información de contacto
RM E47, UNIT C, 2/F, GALAXY FACTORY BLD, NOS. 25-27 LUK HOP ST, San Po Kong, Hong Kong
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Great Customer Service and a Better Brake UpgradeSTAR UNION got back to me and explained that their delayed response was due to a public holiday in China.The original brake set I ordered was designed for a trike and was not compatible with my Lectric XP 4.0. However, STAR UNION helped resolve the issue, and I ended up getting the 220PYD model. It has two more pistons than the factory brakes, provides significantly better braking performance, and fits my bike properly.If you're unsure which
STAR UNION got back to me and explained that their delayed response was due to a public holiday in China.The original brake set I ordered was designed for a trike and was not compatible with my Lectric XP 4.0. However, STAR UNION helped resolve the issue, and I ended up getting the 220PYD model. It has two more pistons than the factory brakes, provides significantly better braking performance, and fits my bike properly.If you're unsure which
Great Brake, Great Price. I will buy more for my other bikes.Great quality product. My braking power has been greatly improved. I previously owned Shimano cable actuated disk brakes on my heavy e-bike and it wasn't enough to stop reasonably fast. Now I can stop on a dime. Love these brakes. The electronic cutoff is very accurate. The only issue is that the brake lever rattles slightly, especially when the motor is on, and speeding up. Other than that, everything about these brakes are awesome.
2 de septiembre de 2026
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