The DeltaWolf trike had the the single speed front ... 38 teethwhich came off his sister's bike.
But there were all kinds of problems climbing hills.
So I ordered this new 3-ring front crank 152mm 48-38-28 teeth.
From this view you should be able to see the 3 rings of teeth ...the chain is currently on the smallest one ...
Which should allow him to climb hills better.
Here you can see the added front derailleur ...with 3-click twist-grip shifter on the handlebars.
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