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.