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  1. S

    I need gearing advice for a 3 speed hub

    That's a very good point.
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    Luna shark pack 52v

    Here's what I did to make it work. I used tube saddle brackets meant for hang gliders and 3/4" rubbers bushings. The bushings were 1" OD and 1/2" ID. I used 1/2" OD nylon stand-offs inside the bushings for the M5 bolts. This allowed me to stand off the battery bracket and clear the curve in the...
  3. S

    I need gearing advice for a 3 speed hub

    I've got a BBSHD with 52v's and it's currently geared 46tx 16t. At the speed the motor will run 1st gear is almost useless. It will top out at around 28mph on the flat. Would you swap the rear to 15t?
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    It's done!

    I would have preferred to put on a disc rather than a drum. However, I would have had to spread the stays more than 35mm. Coldsetting 10mm for this hub was hard enough. I appreciate the feedback, everyone! This project was worth the effort.
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    It's done!

    Yes, it's a Sturmey Archer 3 speed with drum brake. It was originally a Nexus three speed with a coaster brake.
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    It's done!

    It's also scary fast.
  7. S

    Tip: Fitting a Sturmey Archer hub to a diagonal dropout

    You'll have a problem fitting a Sturmey Archer 3 speed hub to diagonal dropout because, they are made for a horizontal dropout. That important fact is not mentioned anywhere in the SA specs. The Sturmey Archer no turn washers will line up the flats on the axle with the dropout rather than...
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    Ebike build

    OK, Here's the build list so far. -flat BMX handle bars +pullback bars with more rise - Shimano nexus inter-3 shifter and hub +Sturmey archer 3 speed hub with roller brake and thumb shifter +Tektro adjustable modulation brake levers +Ebrake converters +BBSHD with hot rod, color display, thumb...
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    Ebike build

    Thanks, I'll add that to the build list.
  10. S

    Luna shark pack 52v

    I think I can make it work after looking at it again. I have a curve on the down tube that shortens the length of straight mounting surface, but if I stand it off a small amount, I think I can make it work.
  11. S

    Luna shark pack 52v

    Ok, I've got a big problem. I don't think anything that luna has will fit, except hung under the top tube. I have exactly 14" on the inner side of the seat tube. Maybe a triangle pack?
  12. S

    Luna shark pack 52v

    I've seen the dimensions on the website, but, does it slide off the mount? If so, how much room do I need to slide it off and on?
  13. S

    Ebike build

    I pulled the crank arms off tonight and the factory "semi cartridge" bottom bracket is HORRIBLE. I can barely turn the spindle with my fingers. New handlebars are here, but,the chopper style stem only takes 7/8" bar and the new are 1". New stem on the way. I'm also changing the nexus twist shift...
  14. S

    Ebike build

    Getting ready to order the motor. This has a nexus 3 and it's geared pretty low as it currently has a 44/22 on it. Does anyone have a chainring and sprocket recommendation for a BBSHD? Do I go 42 and change sprockets or keep the 46 and the 22? I have a 16,19 and 20 tooth sprocket on the way. Am...
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    Ebike build

    Thanks for the advice. The stock handlebars must go. They are way too low. This is a small frame. I have the seat all the way back and it's cramped. Looks like I will need a laid back seat post.
  16. S

    Ebike build

    Thanks for asking. I'm putting a BBSHD on it with a 48 or 52v pack. I'll probably need it, it looks like it weighs a ton.
  17. S

    Ebike build

    Nevermind, I bought a Nirve Streetking. They come with a disc brake up front. One thing I dont have to worry about. I'll post as the build comes along.
  18. S

    Ebike build

    I'm considering building a mid-motor around a Felt Deep Six...any thoughts or advise?
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