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**73Eldo** · 12-31-2020, 05:53 AM

It looks like you will need the 120mm extra fat kit and even though I didn't see it mentioned the 120mm install helper kit.

Specialized Fatboy BBSHD / ASI Bac 800 - Electricbike.com Ebike Forum

https://electricbike.com/forum/forum/builds/customer-gallery/92622-specialized-fatboy-bbshd-asi-bac-800

Hey all, pretty new here but thought I'd share my BBSHD fatboy that I have been working on for over a year now. I have about 3000km on the motor including 1000ish with the ASI external controller. It hits 60kph max on the flat on a 52volt battery (only when full) Range is about 40-50 km on a 25.4 amp hour triangle pack.

**Y2kshee** · 12-31-2020, 11:48 AM

I know I need a press in bushing for both sides cause the bb is too big in diameter. Just not sure which one luna sells that will work

**73Eldo** · 12-31-2020, 12:01 PM

Interesting there was no mention of an adapter in that one build thread with 2 different builds, perhaps depends on the model year? Found another one where they mention a PF30 and a link to this talking about how to identify what you got.

Press Fit & eccentric Bottom Brackets, Carbon frame and Bafang Mid-Drive Kits - Electricbike.com Ebike Forum

https://electricbike.com/forum/forum/knowledge-base/motors-and-kits/bbshd/10770-press-fit-eccentric-bottom-brackets-carbon-frame-and-bafang-mid-drive-kits

If you are planning to build a mid-drive BBSxx series bike, then the first piece of information you need is what size and type bottom bracket shell you have. Full article on choosing a BBSxx kit here (http://electricbike.com/forum/forum/kits/bafang-mid-drives/10736-how-to-order-the-right-bbsxx-kit) The Bafang BBSxx series of

**Y2kshee** · 01-01-2021, 02:18 PM

Yes your right. I'll have to measure it to be sure. Thanks for the links!

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Which BB Adapter Kit?

Which BB Adapter Kit?

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