The teeth of the Record sprocket set have an Ultra Drive design that integrates the chain and chainwheels of the crankset to ensure fast, precise and consistent shifting through the years. The 11-25 combination is also available and is ideal if used with compact cranksets. Ultra Drive - nickel-chromed finish for steel sprockets - light alloy carrier - supplied without lockring (except for 11-21, 11-23 and 11-25).
The teeth of the Record sprocket set have an Ultra Drive design that integrates the chain and chainwheels of the crankset to ensure fast, precise and consistent shifting through the years. The 11-25 combination is also avail...
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