Bicycle Ceramic Derailleur Pulley Wheel Size: 11T. Outside Diameter: 40mm, weight: 8g. Suitable for use 4 / 5 / 6 mm guide wheel screws.
Material: This bike derailleur pulley adopts quality aluminum alloy and ceramic material. Aluminum alloy anti-rust and corrosion-resistant, long service life. Ceramic material can reduce drag force, for center bolt derailleurs which protect the bike, which can improve cycling efficiency.
CNC Process: CNC machining is burr-free and does not hurt hands. Deepen the tooth marks, effectively reduce the chain loss, and make the speed change more sensitive. Ensuring that the bicycle derailleur works properly.
Practical Tools: These pulleys run on smooth ball bearings, provide you with a better riding experience, it is an essential accessory for bicycles. Bicycle ceramic derailleur pulley the spring-fixed design is compatible with both tension pulleys and sprockets, and is favored by outdoor riding enthusiasts.
Scope of Application: This bicycle derailleur accessories is compatible for most of rear derailleur on the market and adjust to 8/9/10/11 speed. Positive and negative tooth guide wheel, no strange voice and faster speed.
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