Carbon fiber crankset THERPANTAHI crank arms with RIRO Carbon-Aluminium chainring for Java Neo/J-Air light weight

Carbon fiber crankset including: THERPANTAHI Carbon crank arms, RIRO ceramic BB BCD 110mm 165mm and 170mm arm length available Titanium Center core shaft RIRO Caron-Aluminium chainring 52, 54, 56 and 58t The whole set total weight about 650 grams Installation is free Possibke additional charges: changing to bigger chainring may need to extend m/change chain, may also need to change the front wheel hook.