The NX Eagle PG-1230 is a 12-speed cassette with a wide gear range of 11-50T - the span is as high as 455%. This is just the right value to move efficiently in mountainous terrain. The cogs are made of durable steel, so the cassette will stand up to the demands of E-MTB electric bikes. The four largest cranks are riveted to an aluminum spider, improving stiffness and reducing weight. The PowerGlide II technology used, thanks to optimal tooth and ramp profiling, allows fast and smooth shifting in all conditions. The PG-1230 model is compatible with classic Shimano/Sram drums.
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