Sprock R 428 51T Si Ul ScUltralight Self Cleaning Rear ChainwheelComputer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer.
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Ultralight Self-Cleaning Rear Chainwheel
Computer engineered and tested to ensure a precise fitment, concentricity and load dispersion with tooth profiling to provide maximum power transfer.