SRAM

 One oversized spindle to work across every bottom bracket standard Greater bearing durability than previous BB30/GXP designs MTB and Road, Includes 3mm spacer *Requires Park BBT-79 BB Tool (JBI p/n 610148) 68/73mm BB30 DUB Aluminum Black

 Asymmetric style, Cannondale specific left cup One oversized spindle to work across every bottom bracket standard Greater bearing durability than previous BB30/GXP designs *Requires Park BBT-79 BB Tool (JBI p/n 610148) 73A ASYM BB30 DUB Aluminum Black