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Old 07-28-18, 09:32 PM
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sumbikerguy123
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Originally Posted by adcockj View Post
My perspective comes from having bought a pre-built rear hub bike (Magnum Peak), and then converting a bike I already own (Trek DS 8.4). I bought the Luna BBSHD mid kit with a 48v 13.5 AH battery...it was under $1500 shipped.

While the Magnum Peak is nice, I LOVE the way the Trek rides. I toned down the power some and it's as smooth as silk. For me, the knowledge of what it took to build the bike (it really was easy even though I'm not a bike mechanic) and the ability to reprogram the performance anytime make the Trek build even better. If I had built the Trek first, I'd never have bought the Peak. I've ridden the Trek over 1600 miles since I converted it in late April! I have 850 miles on the Peak, though it's a month older -- most of those miles came before I converted the Trek.

A few notes that may be of interest:
1) If you still like your current bike, you know you'll like the ride after you convert it.
2) You can probably go with somewhat wider tires if you want to. My Trek had 700c/38s, and I've fitted 29/2.2 Serfas MTBs (on the same rims).
3) You can also look at batteries from somewhere else. I decided I wanted more battery power, so I bought another Shark-sized battery on Alibaba -- 17AH for $392 delivered. I know you have to be careful buying stuff from China, but if you look closely, you can buy exactly the same product that you find here and save $150 or so. (My favorite ride is 43 miles with a 1600 ft elevation gain in the middle. I usually average around 18 mph. That uses about 60% of my 17AH battery.)
4) I had never heard of jack nuts, but they're the cat's meow for installing a connection on your frame for the battery mount (unless you're wanting to hang it in a bag or put it on a rack or something).

One last note -- whichever way you go, you'll love your e-bike! I used to think a 20-mile ride was about all I wanted to do...now if I ride less than 40 miles, I feel like I'm not done...you know, like playing 9 holes of golf, or bowling one game.
R. Thanks, adcockj: The Magnum Peak looks like a decent bike with quality parts.

I already own (Trek DS 8.4). I bought the Luna BBSHD mid kit with a 48v 13.5 AH battery...it was under $1500 shipped.
R. How much did you spend on other parts to finish the conversion?

If I had built the Trek first, I'd never have bought the Peak.
R. Understand, there's more power in the BBSHD. They say the mid-drives ride more like a natural bike, than a rear hub drive. Do you like the mid-drive ride better than the rear hub drive? I might be saying the same thing if I ever convert my Hybrid to a mid-drive, time will tell?

1) If you still like your current bike, you know you'll like the ride after you convert it.
R. I'm sure I would!

2) You can probably go with somewhat wider tires if you want to.
R. My Hybrid originally came with 700 x 38 tires. When the tires wore out, I switched to Vittoria Hyper tires 700x 32, with Kevlar 3D compound. Only had a few flats, one was a sharp drywall screw. Those tires are still on my bike. Expensive, but worth it.

3) You can also look at batteries from somewhere else. I decided I wanted more battery power, so I bought another Shark-sized battery on Alibaba -- 17AH for $392 delivered. I know you have to be careful buying stuff from China, but if you look closely, you can buy exactly the same product that you find here and save $150 or so. (My favorite ride is 43 miles with a 1600 ft elevation gain in the middle. I usually average around 18 mph. That uses about 60% of my 17AH battery.)
R. Batteries are just as important as the motor if you want more power and distance. They are expensive tho and shipping from China can be costly. A 52v battery can cost you $600-$1,000. If you wanted to do a Century you would likely need two batteries or do an overnight camping thing charging your battery for the return trip.

4) I had never heard of jack nuts, but they're the cat's meow for installing a connection on your frame for the battery mount (unless you're wanting to hang it in a bag or put it on a rack or something).

R. I never heard of Jack Nuts either? So I looked it up and here's a brief video of what Jack Nuts are: https://www.google.com/url?sa=t&rct=...url=https%3A%2 %2Fwww.youtube.com%2Fwatch%3Fv%3DhtW_dQ_fhxk&usg=AOvVaw0-rr3oV4COb3RDUzJusQxh

Not to be confused with Blue Nuts or Blue Balls? 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One last note -- whichever way you go, you'll love your e-bike! I used to think a 20-mile ride was about all I wanted to do...now if I ride less than 40 miles, I feel like I'm not done...you know, like playing 9 holes of golf, or bowling one game.

R. I'm sure I will, at least I hope so! Yea, going on a longer trip 50-100 miles takes some extra battery power for sure! That's why I mentioned the 52-72v batteries, they might get you 70-80 miles, but I think a 2nd battery might be required for 100 miles. There's a lightweight 52v battery I think its called the Mighty Mini or something similar? But it has low Ah (Amp hours), so only good for short rides. But might be good as a backup/extender on long trips.

Its very time consuming doing research looking at all the e-bikes and conversion kits available on the market. Gaining knowledge of how to do a conversion, tools & parts required to complete the conversion process. I was getting to the point of info overload and my head was spinning. So this afternoon I said F-it and ordered the bike I linked in my OP. Only problem was the color I wanted was out of stock! So who knows how long before they reorder more bikes from whatever Asian country the bikes were manufactured in?
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