Some even tried to custom make a solution and still did not get the results matching C-Bear durable no creak bottom brackets. If you have a Specialized with the insert already expoxied, you can elect C-Bear BB30 bottom bracket, depending on the crank of your choice.Ĭ-Bear is the first in 2012/3 that came out with the silencing OSBB61 for Campagnolo cranks. Owners of Specialized road frame with a virgin carbon shell, just remove the Specialized delrin cups and install C-Bear OSBB 61 bottom bracket, depending on the crank of your choice. Then, is it with a virgin carbon bb shell OR with an aluminium insert already expoxied by the manufacturer in the virgin carbon shell.īest is to measure the length and the inside diameter of the bottom bracket shell of your Specialized bike. Or check with Specialized or with the bikeshop you purchased your bike from. Therefore, first determine whether your Specialized road bike is carbon or aluminium frame? Road Carbon Virgin + expoxied aluminium insert = BB30 = 68x42 mm Road Carbon Virgin = 61x46 mm (non-standard PF30)
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