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Nothing wrong with the Kalhoff brand as long as it doesn't have the Impulse motor.

The best safety option is a small trailer to tow or buy a proper front pannier rack to fit on the front forks. If you have front suspension then you need single bags to go on each side. Handle bar bags are for light stuff not heavy shopping. Bags hanging on the bars tend to swing and get in...

Shimano nexus/alfine 8 sprocket to gear ratio's . 16t = 10/30 10,11,13,16,19,21,25,30. 18t = 11/34 11,13,15,18,20,24,26,32. 19t = 12/36 12,13,16,19,22,25,30,36. 20t = 12/38 12,14,16,20,24,27,31,38. 21t = 13/40 13,15,17,21,25,28,33,40

Is this them at all ? http://www.future-bike.it/ -email /info@future-bike.it

Posts aren't usually deleted but kept for posterity for future searches, as relevant info/ topic may be of use to someone else.

Marwood Hill used one on his mighty Bear with twin motors, maybe he will reply if he is still reading.

It might be speed restriction you will have to ride with out it connected to see.

The 48v 1000w kits are usually cheap because the electronics are basic with poor PAS options and lack of a good LCD/assist levels. Generally geared hubs are better though you need controller/LCD option with 5 assist levels for better control and riding experience. For 48v go for 12ah/576wh for a...

LCD2 or 3 with separate toggle buttons are better waterproofed, my LCD2 is used in all weathers and doesn't suffer. Your one is the LCD 5 has similar setting adjustments as the 3 model but has integrated buttons.

One Fuggly looking bike :eek: .

If it is to ascertain the P1 value simply use GPS to calibrate P1 by matching the speed read outs. Set lcd to 25km/h and P1 to 87 to begin with. If it under reads the GPS raise the P1 value, it it over reads lower the P1 value unti it is nearly spot on.

A sinewave may well likely not work with you unsensored motor but you can try. Don't worry about the W rating as it is just tosh, the important bit is the actual current rating.

Measure the spoke dia with a Vernier 2.3mm/13g spokes quite often used on OEM ebikes. You can and it is safe to use 2mm/14g spokes. I use Sapim butted strong spokes a 14g spoke with a 13g J bend, these are a good replacement. To get the correct length you will need to remove a good spoke and...

Pad material ? I use the basic Shimano BR445/6 caliper with BS01 pads, resin or semi metallic and have no issues. The pads I use are cheap China knock offs for about £1 - £2 a pair. May be you are using wrong pad material for the discs or just crappy discs.

An offence in law will likely never happen, as the onus is always put on the user of a propelled machine to be vigilant of there surroundings and if necessary stop, until the danger has been passed. No matter whether pedestrian or dog. TFL/ M of L have made sound bites about e scooters etc being...

My Boardman 700c fully kitted out (set up for touring type riding) comes in at about 36 kgs more with extra wh for longer rides, I don't lift it over obstacles except for low ones up to 300mm. Surprisingly I don't feel the weight out riding as the bike it self is nicely balanced on the move...

Even on shared paths or tow paths, pedestrians have right of way over vehicles (even cycles), you have to look at the recent case in London where the jay walking girl was hit by a cyclist. He was found 50% liable by the judge and incurred a very hefty legal bill of 6 figures, though it my be...

Yes you will still need a T/A esp as you want to step up to 500w, there will be extra toque/power. D8veh did the Xiongda went from 135 to 150mm to fit it in.

A premier bike brand, good to hear you like your wise investment.

If the the Buss is still S/S then they can't handle 20a current flow let alone 3a or so., the ideal scenario would be to make up copper Buss to replace them. Nickel optimal current transfer is 4.6a/1mm2, Steel is half that. Typical nickel Buss 7.5mm x 0.15mm is 1.125 mm2 so about 5.1a.