featured Going 12 Speed on Your Road Bike
XD R stands for XD Road, and it is based off SRAM’S highly successful XD driver for mountain bikes. The simple idea behind XD and XDR drivers was to allow...
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SRAM XD Driver VS XDR Driver
SRAM created the XDR and XD drivers to allow us to run cassettes that had cogs with less than 11 teeth, which is great if you want to go and...
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