Thanks for the info. I wondered what gearing shimano intended for this hub. 36:23 as I am using is pretty close to the 33/22 you mentioned. If you need a shifter there is a seller on ebay with stock.
I read about the auto shifting system on sheldon brown’s page and I discovered there was a dealer nearby who had a few complete kits for sale. The price was about 5 times what i paid for the whole bike i pulled the wheel set from. Apparently this dealer is claiming they have the last kits available anywhere. Would be cool but that would be offset by the weight penalty. I removed the same roller brake assembly from my 7 speed hub and it weighed 540 grams. However the thought crossed my mind if the auto shifting 4 speed would work nicely on a ebike cruiser conversion................
No thanks man!
Yeah i could do that but i refuse to pay that much[emoji849]
And the one i want is this one, even harder to find, and since i'm not from the US, the shipping is ludicrous.
I come in a lot of bikeshops and i hope to find one some day[emoji120]
If you like to upgrade to auto shifting, zou have to be sure you have a compatible hub.
I have a complete kit, but it doesnt fit on the hub i have... I believe it has to be a 4c35 Auto-D hub. I have a 4c30 hub and it doesnt fit. That is for coaster hubs, for rollerbrake it's 4r35 auto-d.
And yes rollerbrakes are heavy!
I placed a bid on something i never saw in my 20 years as a mechanic. Auto-d for Nexus 3. It's a Ai-3s10, and i hope to get it.
It's powered by 4 penlites and fits any Nexus 3 speed hub.
There is also a Ai3s30 Thats a bit more advanced. You can adjust the shifting moment and it's powered by a dynamo hub.
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