C-BEAR Bottom Bracket

Bottom Bracket - OSBB

OSBBB standard specifically developed by Specialized for mounting BB30 Specialized crankset

New : BB Chart - click here
bicycle frame + crankset = ?? bottom bracket

Bottom Bracket - OSBB

• RACE (2011/2013)
• Campagnolo
• Rotor 3D+, 3DF
• Shimano, Rotor
• Sram BB30
• Sram GXP
• Specialized FACT


• **2012 Tarmac SL4 Pro
     **2013 Roubaix SL4 Pro


• MTB (2011/2013)
• Rotor 3d+, 3DF
• Shimano, Rotor
• Sram GXP
• Sram BB30
• Specialized FACT


• MTB (2009/2010) 91-42
• Shimano, Rotor
• Sram GXP