CAMPAGNOLO CHORUS CH12 UT 170x52/36 12s CARBON HAYES BSA threaded ABEC-3 BB for

BSA threaded ABEC-3 BB for use with 30mm diameter cranks with a spindle length of at least 104mm

Double Arch forged 4 piston monoblock caliper design that features anti-heat

Eliminates snags

Results in a clean cockpit appearance and additional room for accessories

internal spacer

CAMPAGNOLO CHORUS CH12 UT 170x52/36 12s CARBON HAYES BSA threaded ABEC-3 BB forNew advanced carbon layup for improved performance Differing number and location of pins and shifting zones according to chainring combination ensures optimum location of shift zones during pedal stroke Available in multiple chainring combinations and crank arm lengths Tooth design specific to chainring combination Unidirectional carbon finish