Campagnolo Chorus Crank 170mm, 53-39, Carbon

Hollow cranks and 4-spider arms with Ultra-Hollow Technology
Ultra-Torque axle
New chain rings with improved XPSS shifting ramps and pins

Refrain UT Carbon 39/fifty three 170
Hole cranks and four-spider palms with Extremely-Hole Generation
Extremely-Torque axle
New chain earrings with advanced XPSS moving ramps and pins
Standardized BCD – one hundred forty five/112mm for all chain ring sizes
683 grams

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