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172.5MM 50/34T Chainset

The 172.5mm 50/34T chainset refers to a specific size of bicycle crankset or chainset. It is one of the most popular sizes and found on most road b...

The 172.5mm 50/34T chainset refers to a specific size of bicycle crankset or chainset. It is one of the most popular sizes and found on most road bikes. 50/34 refers to the bicycle gear ratio, which is suitable for all types of road cycling. Shop our options below. 

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19 products found