The Shimano DuraAce 7900 10speed cassette is a performancedriven choice originally released in 2008 that blends lightweight construction with precise highspeed gearing With a closeratio 1121T spread its engineered for elite racers and fastpaced training rides where maintaining optimal cadence is key Its slick and responsive gear changes offer efficient pedaling economy especially on rolling terrain and criterium circuitsEngineered for strength without excess weight this cassette uses highquality steel sprockets mounted on a machined alloy spider Its precision ramping and tooth profiles deliver quick and quiet shifts across the 10speed spectrum Though part of an older generation the 7900 cassette remains a benchmark in roadracing hardware prized for its performance and weight efficiencyFeatures 10speed spacing with an 1121T closeratio gear range Highgrade steel sprockets mounted on a lightweight alloy carrier Precision tooth profiling for swift and reliable shifting Compatible with Shimano 10speed road drivetrain systems Ideal for criterium fastpaced road riding and competitive cyclists

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