Hollowtech BSA

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Stredové zloženie Sram GXP ENG BSA 68/73mm • osa 24mm

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Stredové zloženie Sram DUB BSA ENG 68/73mm

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Stredové zloženie Sram GXP ENG BSA 83mm • osa 24mm

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Stredové zloženie Sram GXP XR ENG BSA 100mm • osa 24mm

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