Long-Lasting Construction: Crafted from high-strength aluminum alloy, this essential bike component is CNC machined for exactness, ensuring it is lightweight yet strong enough to withstand the rigors of both mountain and highway biking.Effortless Performance: Featuring sealed ceramic bearings, this derailleur pulley significantly reduces drag for a effortless er, more efficient trip The automatic-lubricating properties mean less maintenance and more time enjoying your cycle.Enhance D Design: The distinctive positive and negative tooth design of this guide wheel ensures precise chain engagement, preventing chain drop and improving shifting accuracy for a reliable and responsive gear change every time.Enhanced Compatibility: This rear derailleur guide wheel is designed to be compatible with most rear derailleurs available commercially. It includes adapter sleeves to fit both 4mm and 5mm derailleur screw apertures, making it a versatile modificationLightweight Modification: modification your bike's performance without adding significant weight. This aluminum alloy guide pulley is engineered to be incredibly light, reducing rotational mass and helping you ride faster and with less effort.
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