The Shimano Deore CSM4100 10Speed 1146T MTB Cassette uses Hyperglide technology that incorporates specially positioned shift ramps and tooth profiles for improved chain control during shifting Close ratio gearing allows more efficient use of energy through finer cadence control The 3 largest sprockets are mounted on a lightweight alloy carrier to reduce weight and increase rigidity Key Features 1146T 11131518212428323746T Steel Cogs Nickel Plated Alloy Carrier for top 3 Cogs HGX 10Speed Chain Compatible All Mountain City Touring Use 454g weight

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