Search results

So I have a new battery from BMS battery here, and its faulty. If I ride the bike for about 5 mins or so, the battery cuts out, and will not restart until it been disconnected and reconnected. Also have to wait a bit. I have just taken it for a spin, and got it to cut out. Rode it home...

HI all, I need a few spokes for spares for my bafang 500w CST, in a 26 inch rim. My cheapo vernier measures the existing spokes at 2.4 mm. 13g is designated at 2.3mm, whilst 2.5mm would put them at 14g. Any of you fine individuals able to use your experience to confirm which one it is, what...

Hi all, Has anyone had experience with new (ish) S series controllers from BMS? I took the bike out for a quick blast today, and it completely cut out on me, after a long, hard climb. The LCD went off, no power, dead. I got it home, and tried to turn it back on. It came on for about 1/2 sec...

Just happened to notice that these are for sale on eBay, between £550 and £695. Is it me, or is this the most primitive, underspecced and over priced machine available today? 39 kilos. 15ah of SLA. 12.4 mph top speed. 85 kilo max load. Some people are going to be fooled by the Honda name into...

My next two builds will both be offroaders, with pretty much identical spec. I just can't decide between the CST or BPM motors. Both mech disc brakes, hardtail MTB, front sus, alloy frames. both 24 speed. Both will be rear wheel drive on knobbly tyres, and both will have 20ah li-ion batteries...

Hi all, Last week I picked this motor up cheap from eBay, and now I need a controller for it. My questions are: 1. Is it worth going for torque simulation sine wave controller? Perhaps the s06s or the s12s? 2. How far can one of these motors be pushed? Should I stick with a 250 watt...

Hi all, Can anyone identify this rear motor from the following images? I bought it cheap on eBay. It looks to be three phase, and hall sensor, as it has 3 thick and 5 thin wires coming out. I was told that its '250 watt'. The body on the non drive side is threaded (can't see why) and it's not...

So the next project is a proper cruiser. Basic bike spec: Aluminium frame. Steel forks. Rim brakes front and rear. 4 speed shimano nexus hub. Additional items to be added: Some big cruiser bars. Home made rear rack (ally, similar to D8veh design but without boot bag). Mudguards. Battery...

Looks like my next project will be to convert a Kona Africabike three to electric. The Africa is basically a rugged utility machine: Step through frame. 3 speed nexus hub gears. Back pedal rear brake. Front V brake. Rear rack is part of the frame. 26" wheels, chunky tires. 7005 frame, steel...

The new crossing over the river Clyst is nearing completion. This bridge will link the Exmouth side of the River Exe Trail to Topsham, via the Bowling Green Marsh nature reserve. I have been watching them build this for a while, and cannot wait to cross it! Not sure when it will be ready, but...

A couple of years back as a first step into electric bikes I purchased a Hill Topper kit form Clean Republic. I purchased the 24v/7ah SLA version of the kit. It was ok, but I wanted more range from it, so I upgraded the battery to 14ah. I then concentrated on my other bike, and the HT sat...

Hi All, Trying to balance up a 10ah lithium battery that has been stored unused for a long time. I have 10 cells, with voltages ranging between 3.99v and 4.16v. The one at 3.99 started at 3.97 v, but I have had a 5.2v mobile phone charger on it for an hour or so and its rising. Question is...

Hi all, I hope someone can offer some advice, as I'm not that familiar with Lithium batteries and BMS's. I have a lithium battery here that I have taken apart. The connections are as follows: Before I blow anything up, can anyone confirm my assumptions: 1. Battery output is via...

Hi All, Can anyone give any opinions on the above motor that I have tentatively selected for a project for a friend. I plan to use the 201 rpm/36v version and run it with a 36v/20Ah Li-Ion battery via a 450 watt controller. It will be installed up front on a mountain bike with 26" wheels and...

Hi all, I'm just about to take delivery of a 36v/20aH Lithium Ion (NiCoMn) battery from BMS. What do other people recommend for conditioning these batteries? I've heard instructions from bike manufacturers that they should be run to low voltage cutout on the bike 3 times...

Electric bike 500watt - faulty battery | eBay Excellent design features on this home built machine. Of particular note: 1. Use of a phono plug for battery charging. 2. Fork installation. Currently going for £5.19, - cheaper than a bottle of whiskey and 100 sleeping tablets!

Hi all, Just thought I would share how I built some cheap lights for my bike recently. I noticed that a Flo-plast 40mm pipe coupling (yes 40mm) is the perfect size to contain a GU10/MR16 spotlioght. These are made from polypropylene, tough, light and cheap. £1.50 each in B&Q. If you...

Hi all, Anyone had any experience with this kit - Can't really see a manufacturer name for it. On the face of it looks like good value. Have asked for more info, and seller says it a brushless/gearless hub motor. Seller is called Mekaniko-Direct-Seller, maybe that's a clue? Electric...

Hi all, I'm new here, so be gentle with me if you are all bored with this topic. I have searched long and hard for the right type of bag to contain 3 x 12aH SLA's on the rear rack of my kit built electric bike. I've tried all sorts, but nothing really worked. Until this week. I was...

Hi all, I'm new to the forum, live in Devon and own two kit built pedelecs. I enjoy riding them with the other half, and we take out 5 year old along. I've picked up loads of tips from these forums in the past, and thought it was time I gave a little back (trust me, its only going to be a...