Computer designed Hyperglide (HG) sprockets incorporate specifically positioned shift ramps and tooth profiles for improved chain control during shifting. Fast and responsive indexed shifting is the result.
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Features
Features:
High quality 9-speed cassette
Hyperglide sprockets have a computer designed tooth configuration with contoured shift gates, resulting in a crisp smooth shift even under load
Close ratio gearing allows a more efficient use of energy through finer cadence control
Sprockets are cut away and drilled to reduce weight without reducing rigidity
Nickel-plated finish offers hard wearing resistance to corrosion