This product is composed of two 7075 aluminum pulleys 14 teeth with full ceramic sealed bearings. This product is dedicated for MTB product range ! Very easy to mount, and fit with lots of references Compatibility example : Compatible with 12-speed derailleur groups - Shimano XT / XTR / SLX - Sram Eagles, Apex, XX1 If you have an 11-speed derailleur group, you must go for our set of Nova 11T pulleys wheels Designed by our French Engineers these NOVA Ceramic Pulley Wheels for rear derailleur improve the fluidity of your transmission, enhance efficiency to satisfy the most demanding. Made in very high-end materials: 7075 Aluminium and ceramic bearings. These option enable you to Upgrade your derailleur with a more affordable price Two Oversized aluminum wheels, which coupled with ceramic bearings decrease the chain winding angle with minimal friction. Features: Weight : 15 g per pulley Watt saved : 3 W International shipping.
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