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Hello, my derailler broke :( How do I fix it? Do I need to buy a new one? Thanks

Hello all, Now I'm trying to cover my bike on my communal area: Problem is that some of my neighbors gently steal my cover to put it on THEIR bike: I'm not sure how to behave with them... shall I take it back? Maybe it's a cover from someone else and mine have flew away??? Anyway, I'm...

Hello all, I decided to go on a maintenance free bike as the previous thread started. I received the BBS 02 and the battery: Problem are: - Dual suspension makes the battery rack bounce out. I need to change the seat I think? - The chain is slipping under load. I'm thinking I need to change...

Hello all, I've been looking for a long time for good, reliable, small and cheap connectors: Somehow, the new BMSbattery kit I received has a very small and nice waterproof connector. It's very small and has load of pins. I'd like to use them for my bike. Do you know where I can buy them?

Hello all, I'm starting to be sick to always repair my bikes. I do that every few days. Every few days there is something that does not work properly. By order of frequency I can cite: - Brake issues. And that's one of my biggest pain point. Brake pad wearing so quickly, pad rubbing against...

Hello all, I've been using these Zoom brakes but they have been so much pain for so long. I think I've wasted so much money on this but I'm reluctant to throw them away as they are quite expensive...

Hello all, Remembered my test to put a bike outside overnight and see if anything happens? After couple of months as nothing happened I decided to put a motor on it: I used a Q100H 260rpm with 48V sine wave controller. It's quite neat and nice. Lightweight. And biggest surprise of all...

Hello, I'm selling my previous battery and controller as it as getting too heavy for me. The battery was previously mounted on my bike like this: It's a massive battery pack, 72V20AH is 1440wh and it's about 3 times bigger than commercial batteries you buy for 500 buck. It's made of zippy...

Hello all, I start to see some seller giving these magnesiums wheels and even with motor for sale: http://www.ebay.co.uk/itm/20-Black-REAR-5-Spoke-Magnesium-Alloy-Hub-Motor-Bicycle-Wheel-/261567456145?pt=UK_sportsleisure_cycling_bikeparts_SR&hash=item3ce6a2a391 The first thing I think when I...

Hello, Anyone tried these? http://m.ebay.co.uk/itm/191248444431?nav=SEARCH Or these? http://m.ebay.co.uk/itm/261558855350?nav=SEARCH It would allow to get ride of the dc dc adapter so covenient

Hello, I'm looking for a smalish dc-dc converter for maybe 30-50W output on 48v-12v. The chinese ones are too big and bulky. Anyone knows where I can find one at decent price? Thanks

Interestingly, a bigger 3kg mxus are available for folding bikes: http://www.aliexpress.com/store/product/36V-48V-250W-High-Speed-Brushless-Gear-Hub-Mini-Motor-E-bike-Mini-Motor-Front-Wheel/738588_1888888450.html 85mm dropout width only

Hello, I have for sale few q100h from bmsbattery: http://www.bmsbattery.com/front-driving/630-250w350w-q-85100sx-motor-e-bike-kit.html I purchased few of them because I always get stomped by the customs and parcelforce service charge. I sell the motor for £90 + £8 shipping which is the cost...

Hello there, I'm back again, I'd like to build my spare bike and I've the BPM and Q100H motors. It has to be mounted on a 26" wheel because it's easy and cheap to change. I know there was several thread around that but I can't find them back. Can anyone point me to the right spokes length...

Hello all, Yesterday morning I was cycling to work a bit late.. (happens to me often...) There was a red light in a junction and load of cars were in front of the bike lane. Just in front of me there was a large motorbike blocking me to go to the bike lane... How annoying motorbike would be...

I'm starting my experiment with my £50 bike: How long will it stay intact being every night and all day out like this?

Hey guys, I'm going to buy few chargers from this guy: http://www.ebay.co.uk/itm/400W-48V-8-3A-Switching-Power-Supply-Current-Control-Charger-LED-CCTV-K3D-/380919719469?pt=UK_BOI_Electrical_Test_Measurement_Equipment_ET&hash=item58b095a62d I've read a guy buying from him and using the charger...

Hello there, Anyone know where I can find a battery mounting plate with quick release and key without buying the complete battery for 200GBP? I know they sell that in bmsbattery: http://www.bmsbattery.com/battery-case/674-48v-15ah-lithium-ion-alloy-shell-ebike-battery-pack.html But it...

I'm really surprised by that. Every time I ask for basic questions such as motor efficiency curve or cells information and they have no clue about that. It's not just on ebay, it's also on aliexpress or even in Alibaba. And even on some shops where they say they are manufacturer!! So, why...

Apparently driver are more cautious with cyclist without helmet. And crossing red light gives you head room. http://www.telegraph.co.uk/health/healthnews/10866273/Cycle-helmets-are-useless-says-brain-surgeon.html Looks good to me :)