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the PAS disc is held synchronized to the BB axle with a number of plastic fingers. These fingers may lose their strength over time and cause the PAS disc to slip when you pedal. Check and make sure that the PAS disc does not slip or stuck when you pedal.

most bikes are actually quite reliable, the chance of your electric going down is near zero nowadays but can easily become less reliable because of exposure to rains and lack of routine mechanical maintenance. The best result for a high mileage commuting bike is to convert a good donor bike. If...

pianosold has a 48V battery, the LVC sould really be round 38V-40V - 30V is too low to still show up at the output if the BMS has not gone. He could be reading it with the tester set to AC though.

FET (field effect transistor) is the switch that connects the minus terminal of your battery pack to the output port on the BMS, the plus terminal of the pack is connected directly to the output port and normally fused (25-30A). Make sure you set you DVM to DC, measure the voltage at the output...

blown BMS? the 30V reading looks like the output FET has gone.

http://en.wikipedia.org/wiki/Khat an amphetamine-like stimulant

something like this £299 Carrera Vengeance with £549 Woosh BPM 15AH kit (plus lights, bell, rear rack, paniers, puncture proof tyres and mudguards): http://www.halfords.com/webapp/wcs/stores/servlet/product_storeId_10001_catalogId_10151_productId_810721_langId_-1_categoryId_165499...

TBH, I've tried to dissuade her to go through with it. Riding 24 miles a day when you are not well is a challenge for anyone. 5ft 2 is another one.

as d8veh has pointed out, you can't be 100% legal any way - for that, you need certification to EN15194, not doable for individual conversions. The BS01 is easiest to fit, only requiring standard bottom bracket shell, 64-68mm in length. Hub motor kits need a bit more attention to the donnor...

I think you have blown a fuse - you'll need to get a multi tester to diagnose the fault. Check the following: 1. output of the charger. Need to see 42V 2. output of the battery 3. find out where the fuse is. Check it. If it's still does not work, you'll need to open your battery case and post...

Woosh told me that they've run out of stock on the Big Bear and they've upped the Amps on the Big Bear ( by changing the BMS) on the next delivery end of this month. The BPM on the Big Bear is wound for 230 RPM.

this case is borderline. We're restricted to legal road bikes, that rules out kits like the BBS02 36V 25A because they are labelled 350W or 500W. If the rider was lighter (13st), I'd say crank drive is the obvious choice for the Lake District, you can climb much steeper hills (15% - 20% on motor...

but reality is, the 250W is only nominal (on paper). All quality bikes pump out more than double that while climbing hills. You may call it cheating but that's reality though. The only thing that stop BPM size crank drives is the chain. 7/8 speed chains are strong enough for about 500W (true...

finding a quality bike for less than a grand? it may be easier said than done. By the way, which car do you have that can take a full size bike inside?

can you post a picture of the rear brake? it may save you time to replace the caliper. It's not expensive.

we'll wait for your report! it's easy to catch the e-biking bug this time of the year.

from the picture, it looks like a 36V 10AH battery so 22 mile range is fair. a new battery wouldn't get you much more than 22 miles, maybe up to 25 miles.

The controller XOFO uses for their kit needs PAS, but common e-bike controllers don't require PAS to be fitted. Some members run throttle only on their kit.

The output of the sensor (in the case of the XOFO XFL) is a voltage 0-5V, therefore theoretically can be used to replace the throttle signal. Imagine reducing your wiring to just one cable from the LCD to controller, without the need for brake sensors and PAS sensor. The controller may need to...

it's good to know you've done it. 1hr 15 minutes is excellent time for 14 miles in town, you must be pleased! Have a nice holiday.