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Truvativ XX 2x10sp S-Works Spider+rings, 28/42t
Truvativ XX 2x10sp S-Works Spider+rings, 28/42t

XX-designed splined spider and chainring set to fit Specialized's S-Works hollow-carbon/hirth-joint cranks with removable spider X-Glide … read more

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your price $157.00 + ships free


Bolt Circle Diameter (BCD) is the diameter of an imaginary circle running through the center of the chainring mounting holes. It is always defined in millimeters.

Chainring Teeth

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