I think you drew your illustration wrong. Or at least 1 is looking from the front of the bike and 2 looking from the rear of the bike.

For certain the big chain ring needs to have the ramp pins facing the small chain ring. The smaller ring I'd have to look at Shimano's tech doc website and pull up the crank specified by the numbers on the inside of the crank arm around the hole for the pedal spindle. Also you can probably put in the ring part numbers too and come up with the same info.

http://si.shimano.com/#/

If this doesn't automatically present in your preferred language, then look at the dropdown box in the upper right corner of the browser page. You might be able to pick a better suited language.


Welcome to BF!