I'm looking at doing a build with a 1985 Schwinn Cruiser but not sure what BB it has . The bike is 120 miles from me so I really cant look at anything right now but going to tomorrow . I'm wanting to do a BBSHD in it . Anyone have ideas on whether it's a screw in bearing BB ? TIA
I like being able to change gears--I live in a very hilly area. Love having 7 speeds on my ebike--I use all of them.
Whether or not the bike will work for you depends on what kind of bike you want to ride.
In Japan many ebikes have regular rim brakes. There's no reason an ebike needs anything more if you are planning on a class 1 or class 2 type of build (max assist speed 20mph). I think if you plan to have a higher speed bike, you might want better brakes. That said, I do love the disc brakes on my ebike. It's all about what YOU want to do.
From your picture, it sure looks to be a one piece crank. (As an aside, when I was about 10 years old, I tried unsuccessfully to take mine apart.)
The hole in the frame is a larger diameter than what a 3 piece crank uses, and a BBS mid drive is sized for the latter. What people do is push out the bearing cups and replace them with reducing spacers. Mr. Bike Guy shows how it's done. I would guess/hope than that a mid drive kit would then fit inside the reducers. I dunno, as you have to make sure the width conforms to the 68-70mm width used for a BBS. Of course, you can buy the BBS with a longer width, like 100mm.
Yeah , thanks guys I'm over the old cruiser now and bought another fattie to convert . I turned off notifications for this thread so I wont be responding here anymore .
