Phil Wood Outboard Bottom Bracket GXP adapter
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Sram cranksets use a unique bearing on the non-drive side with a smaller inside diameter than other outboard bearing cranksets.
This adaptor allows you to use your standard Phil Wood OBB cups with Sram Omnium or S300 cranksets by removing the stock plastic dust cap and installing this in its place.
• stainless steel or 7075 AL construction• weight: 8g (aluminum), 18g (stainless steel)