Joe Bob- I had a chance to see and try them a few years back. Came across a very old but wise china man... not joking. Anyhow, he was closing his cluttered bike store / workshop with piles of old bike junk but his main interest was electric conversions. It was hard to communicate with him but he had his overseas connections bringing small shipments of motors and related in. Looked like he went thru or escaped a rough era and came to the states. Neat guy though and too bad he closed. I might still have his card w/ phone. Anyhow he said the 350 watt was plenty but suggested 450 watt for heavier people or loaded bikes. Battery pack and controller were on a rear rack and some slung under the top tube. He was pricing the components to make a kit (less batteries) $390 to over $600. If you do some ebay search for the hub kits, look for the China direct sellers. Prices are not bad. Doubt you'll get any tech support or advice but its nothing too far out of radio-shack connect this to that thingy.
The commuter I mentioned earlier on the fast Huffy electric was built by the china man. Hilarious in a way seeing these spindly bikes flying along at 35 - same as typical speed limits in many small towns. Let er' rip
some from Hong Kong:
 http://www.ebay.com/itm/24V-36V350w-Electric-e-bike-Brushless-Hub-Motor-Conversion-kit-/261022617365?pt=Cycling_Parts_Accessories&hash=item3cc6290f15
 http://www.ebay.com/itm/24V-36V350w-Brush-less-Hub-Motor-Electric-Bike-Conversion-kit-Front-Ordinary-B-/200790033218?pt=LH_DefaultDomain_0&hash=item2ec004c342
Ready to go kits from China (batt's and built wheel) - funny how they mention 'German quality'???
 http://www.ebay.com/itm/36V180-350W-electric-bike-bicycle-motor-conversion-kit-with-36V9AH-Li-on-battery-/251338064095?pt=Cycling_Parts_Accessories&hash=item3a84ea80df
1000 watt / 48V - seems low priced
 http://www.ebay.com/itm/1000W-48V-ELECTRIC-BICYCLE-e-BIKE-Conversion-ENGINE-MOTOR-Scooter-kit-2013-NEW-/141069062328?pt=Cycling_Parts_Accessories&hash=item20d85f10b8
700C laced up
 http://www.ebay.com/itm/Crystalyte-408-rear-drive-motor-for-e-bike-laced-in-a-700C-rim-/221294665378?pt=Cycling_Parts_Accessories&hash=item3386309ea2
In PA. Lead acid batt's, 500watt ready to go kits. Speeds to 28 MPH. Listing seller seems more informative and realistic.
 http://www.ebay.com/itm/Electric-Bike-Conversion-Kit-System-Geared-FRONT-700c-with-36v-9ah-SLA-battery-/251321270598?pt=Cycling_Parts_Accessories&hash=item3a83ea4146
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Last edited by intakexhaust; 10-09-2013 at 03:35 PM..
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