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    Almost new and unused 36V 12Ah Bottle Battery with charger, supplied by A123 - £100

    A short while ago I purchased this battery for a family member. Unfortunately his bike was stolen while the battery was in transit and I've been left with it! I don't have a use for it as my bikes are not suitable for a bottle, so it's up for sale at a bargain price. Apart from fitting it to...
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    Front wheel motor on a light singlespeed bike?

    I converted a single speed On-One Inbred to assist, using a front wheel 250W Bafang motor with a 2 spd SRAM Automatix rear hub. This gives 55" and 76", with an automatic change up or down at around 10.5 mph. No additional cables as it has a coaster brake, in fact one less as I don't need a rear...
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    Throttle preventing normal location of gear shifter

    Expensive answer: http://www.sjscycles.co.uk/shimano-deore-xt-style-9-speed-thumbshifter-set-prod17430/ or just the r/h one http://www.sjscycles.co.uk/shimano-deore-xt-style-9-speed-thumbshifter-right-only-prod26273/ I use the cheap Tourney shifters to get round the same problem with 7spd, but...
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    Fork change

    Rose bikes supply trekking/MTB suspension forks from RST, that have separate steerer tubes including threaded in various lengths. Trekking forks at a low price in the online bike shop www.rosebikes.com You need to select the fork for wheel size and the steerer tube to match the existing one...
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    Spokes

    Hi Pete, I build motor wheels to quite a high tension, but that does depend on a decent rim and spokes. I've seen plenty of cheap, low quality e-wheels with the nipples happily ripping their way through the rim. I'd take a guess from your mid-range 'ping' that the tension could go a bit...
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    Can You Ride Tandem?

    Hi Pete, I'm hoping we can manage to alter the layout a bit to sort the problem. It's the latest 4A frame, selling it would mean taking quite a big financial hit. How much do you use the motor? I'm interested in your experience with it as we've only used ours for a few months on fairly short...
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    Can You Ride Tandem?

    My wife likes the idea of enjoying the scenery without having to worry about steering, while getting some exercise. Also the excuse of buying tandem riding outfits for the different seasons - not that any dedicated cyclist would recognise them as cycling outfits.....:) Alan
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    Can You Ride Tandem?

    My wife can't ride a bike, but she loves riding our tandems, one e-tandem, one human powered only:D The rear BPM motor on the e-tandem has now been replaced with a front Ezee motor. The basket houses a Ping battery, the bottle battery gives some extra capacity for flat road cruising on a...
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    Broken Thumb Throttle - Electric Wheel Nano

    I've probably got a couple of those in the supplies box if you want to save time compared to shipping from Shanghai, also rather cheaper than the £15 from EW! Alan
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    Help choosing right stem

    Most forks like yours are the standard 1 1/8", only some really heavy duty stuff is 1.5" Alan
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    Help choosing right stem

    Eddie, if you want to borrow my spare raiser to try it you're more than welcome. It can raise the bars to a max of 85mm. Assuming you have a standard and not oversize steerer tube it will be the right size. Alan
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    Help choosing right stem

    Powerplay Adjustable Angle 1 1/8 inch alloy stem Comes in various lengths....or System EX, Alloy Stem Raiser from only £19.99. Free UK Delivery | Wheelies The stem raiser will move the bars up and backwards a small amount, the adjustable stem moves the bars in an arc, but is probably the neater...
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    Cheap Dahons On The Bay

    The Dahon 2008 Jetstream XP used a 100mm fork with disc brake tabs - which is no real help of course:) Alan
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    Any disadvantage with a front wheel hub ?

    I'm around 5' 11" and ride a 54cm 700c wheeled road bike, but for fast 'chuckability' around our narrow streets with no pavements and a mixture of cars and pedestrians, I much prefer a smaller framed bike. I use a 16" frame Inbred and a BMX as e-bikes, both with front motors. We tried 2 tandems...
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    Kona Africa bike - how might you add a rugged simple low cost electric drive system

    I picked one cheap in an end of year sale, just as well it was cheap! I know the brief the design team worked to and the reasons for choosing the parts that are on it, BUT it is seriously heavy. I chucked everything except the frame, forks, rear hub and chainguard. The frame is decent chromo...
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    Chain advice required please

    CRC Chains has a good range and prices, plus free delivery. All my bikes, electric or non-electric, use KMC chains, but plenty of other makes should be just as good. Alan
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    Home made wheel truing stand

    The 'tinging' noise is really the spoke detensioning and unwinding the windup that hasn't been removed by backing off the spoke key. As mentioned, de-stressing the wheel should be done regularly, either with the wheel still on the stand by squeezing near parallel pairs of spokes together. Do...
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    Advise with which Bike to convert

    That's the one that was on my Raven, a similar heavier duty one on the tandem. I normally use fairly heavy disc suitable trials forks for front motors, but the Raven was fitted with a lightweight Tongxin motor, so I kept the standard forks. I used it with the motor for just a few months as the...
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    Advise with which Bike to convert

    I've fitted a motor to a Thorn Raven Tour with steel forks, also to the equivalent tandem. Thorn make several replacement forks for the Raven range, although plenty of other steel forks would do the job just as well, assuming they have the correct geometry. The strong steel frame and general...
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    Link Removal

    I always use KMC chains supplied with these connectors KMC Chain Connectors | Buy Online | ChainReactionCycles.com and suitable for other chains. Plus this tool KMC Missing Link Chain Pliers | Buy Online | ChainReactionCycles.com Instant release every time:)