Campagnolo Chorus 12s UT 172.5x50/34 UT crankset carbon Description-B-Bolt/Limit Screw Kit weight ~10

weight ~10

and our testing cofirms that the performance is outstanding

Tiagra 4700 or 4703

CNC aluminum inflator head fits Presta / Schrader valves

} For performance-driven runners

Campagnolo Chorus 12s UT 172.5x50/34 UT crankset carbon Description-B-Bolt/Limit Screw Kit weight ~10New 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 TECH SPECS Type Length Teeth 172. 5x50 34 Spindle Type UT Color CRBN Bolt Pattern 123x4B Weight Speed