104 toothed front chain ring!

The overall gear ratio of the ARION1 will be over 7 times that of a conventional upright bicycle. 

This beautiful 104 toothed chain ring, provided to the team by ROYCE UK premium bicycle components, will be at the heart of the ARION1’s transmission system.


Thanks to Cliff from http://www.royceuk.co.uk/Royce-Uk.html