Have you thought about or can you change your sifter setting to "friction" and use all seven sprockets?
Also be careful with the gear change up to the 34T. Once I torqued one of these and bent the 34T. This was before I serviced freewheels, so I had no idea how to replace a bad sprocket. Ended up in the scrap metal bucket.
__________________
Bob
Enjoying the GA coast all year long!
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www.freewheelspa.com