Expertly designed developed and produced in Denmark the CeramicSpeed OSPW SRAM Mechanical Pulley System will give you the ultimate competitive edge Thanks to the unique oversized design the SRAM Mechanical Pulley System has an efficiency savings starting at 40 over stock SRAM derailleur pulley wheels This specific SRAM Mechanical version of the Oversized Pulley Wheel System is only compatible with the following mechanical rear derailleurs SRAM Red and SRAM Force 10 and 11 speed The CeramicSpeed OSPW SRAM Mechanical Pulley System is compatible with both short cage and Wifili derailleurs The SRAM Mechanical Pulley System features two oversized 17tooth aluminium pulley wheels housed within a durable cage constructed from a highend compound of polyamide and carbon fibre The CeramicSpeed OSPW SRAM Mechanical Pulley System fits up to 32tooth cassettes

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