Donor bicycle??
06-20-17, 11:54 AM
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Donor bicycle??
So I'm looking at the BaFang BBSHD. And I'm thinking what bicycle to put it on. Surley as a heavy weight sounds possible, maybe a cross check. I do want disc brakes, and flat bars. So any suggestions??
06-20-17, 01:41 PM
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Anything that is comfortable for you. Don't really need to be concerned with frame or fork since it's a mid-drive. I put my BBS02's on bikes with 68mm bottom brackets only since I want to use the retainer ring to secure the motor, but don't know whether this is an issue with the BBSHD. My system with rear "V" brake and disc front (on a suspension fork) stops fine for me.
06-28-17, 06:42 PM
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Anything that is comfortable for you. Don't really need to be concerned with frame or fork since it's a mid-drive. I put my BBS02's on bikes with 68mm bottom brackets only since I want to use the retainer ring to secure the motor, but don't know whether this is an issue with the BBSHD. My system with rear "V" brake and disc front (on a suspension fork) stops fine for me.
06-28-17, 08:40 PM
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The instructions at Luna Cycle say there's no problem with 73mm bottom brackets for BBSHD. There's no real problem with BBS02, either, you just keep the cap-lock-nut off and use a little Loctite on the threads for the fixing nut. I just transferred one from a 68 shell to a 73, no problem.
06-29-17, 04:53 PM
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We'll see how it goes, I'm almost done with the swap. I don't entirely love not using the cap, either, but I have a perfectly good mountain bike that wasn't being used, so I'm giving it a whirl. Wish me luck!
06-29-17, 05:26 PM
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Good luck, Joe; you shouldn't have a problem with Locktite. Fortunately (for me) I have several bikes with 68 mm BB's. If I were to install on a 73, I might examine the feasibility of removing a couple of mm with a facing tool for the "cap".
08-09-17, 07:54 AM
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how did this turnout?
08-10-17, 09:56 AM
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My conversion went on an old 26" wheeled mountain bike. I used the BBs02.
My recommendation would be to be certain you can put at least 1.75 tires (2.125s are better) on the bike. Fatter tires absorb more vibration and protect the rims better. The significant increase in speed and weight with the ebike will put a lot more vibration into you and the bike.
You will also probably find adding a rack and panniers to make this a true grocery getter adds more weight and potential weight.
I like the bigger tires for better traction. I have 2.1 nearly smooth tires that work great on the street.
I see the conversions on 700c road bikes and they just feel so fragile at speed (for me anyway) compared to a wide tire.
Disc brakes at least on the front are an absolute also..
My ebike experience
My recommendation would be to be certain you can put at least 1.75 tires (2.125s are better) on the bike. Fatter tires absorb more vibration and protect the rims better. The significant increase in speed and weight with the ebike will put a lot more vibration into you and the bike.
You will also probably find adding a rack and panniers to make this a true grocery getter adds more weight and potential weight.
I like the bigger tires for better traction. I have 2.1 nearly smooth tires that work great on the street.
I see the conversions on 700c road bikes and they just feel so fragile at speed (for me anyway) compared to a wide tire.
Disc brakes at least on the front are an absolute also..
My ebike experience
08-13-17, 10:39 AM
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So, what is a BBSHD? My LBS is a dealer for Lectric Cycles Mid drive kits**, to replace cranksets , for hill climbing torque..
the main customers , here are hunters , heading up logging roads , during Elk and Deer season..
** they use Bafang motors, made in 350~1Kw, as part of the retrofit kit..
....
the main customers , here are hunters , heading up logging roads , during Elk and Deer season..
** they use Bafang motors, made in 350~1Kw, as part of the retrofit kit..
....
08-13-17, 10:47 AM
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I initially put my Bafang on a Trek DS, but found that the stand over height of the 17.5 was uncomfortable, I wasn't using the front shock, and that I was very limited on my tire width. I just finished buying a Salsa Frame and setting it up with mech disc brakes, a flat bar, 11-42 cassette and 29er wheel set. Using 2.25" tires, this beast will carry a heavy load across the roughest of forest roads and is such a pleasure to ride unloaded. I did buy the 52v13.5amphour battery and am getting around 65 miles on a charge in pedal assist mode.
09-23-17, 04:24 PM
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I initially put my Bafang on a Trek DS, but found that the stand over height of the 17.5 was uncomfortable, I wasn't using the front shock, and that I was very limited on my tire width. I just finished buying a Salsa Frame and setting it up with mech disc brakes, a flat bar, 11-42 cassette and 29er wheel set. Using 2.25" tires, this beast will carry a heavy load across the roughest of forest roads and is such a pleasure to ride unloaded. I did buy the 52v13.5amphour battery and am getting around 65 miles on a charge in pedal assist mode.
What front ring did you go with? I used the 30t to begin with and it is fine for mountain biking ( I was spun out for normal riding at about 16mph--too slow). I have gone to the Lekkie 42 tooth which is much better for general use---for me anyway.
09-23-17, 04:54 PM
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I tried both the lower tooth and a higher tooth, but settled on the Lekkie 42 tooth also. It seems to be perfect for about any surface. As winter is quickly closing in up in the mts of Idaho, am going back to the Trek DS to add a motor back on it and will take it to Southern CA for the winter.
