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    Gtech my ride! - Boardman MTX conversion

    I've just converted my MTX 8.8 with a Bafang mid motor, it is brilliant. I did a write up here; https://www.pedelecs.co.uk/forum/threads/bafang-bbs01b-250w-diy-fitting-traps-pitfalls-and-review.40054/ Obviously a bit more involved than what you want to do, but it works very well on the MTX 8.8
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    The anti cack splattage device I have ordered is a "Bibia Spatflap Touring", I kid you not, that is what it is called. £4.25 on Amazon. https://www.amazon.co.uk/gp/product/B00GWGC2CU/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&psc=1 Interesting, I'm not ruling out fitting them but at the moment...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    I've got even more miles under my belt now and am really enjoying the kit. It had rejuvinated my love of cycling. Actually, I tell a lie, I never lost the love for it, just the ability to do it as well as I'd like. Some interesting discussion going on above about the brake and gear sensors and...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Review! I've got some miles on the kit now, just over 100 in fact, since I re-programmed it using the guide linked above. Absolutely love it, loads of control and it feels quite natural having nine progressively more powerful settings available. I've not bothered with the brake cut outs or...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Fine tuning the controller settings; The USB programming cable arrived today so as soon as I had fitted the lights, I went about changing the settings. I used this guide... https://edrivenet.com/bafang-programming/ ... which was very useful explaining things and was easy to follow. The most...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Some more wiring; Not the gear change sensor and not the kill switch either but a set of, front and rear, lights that run off the main battery / motor outputs at six volts. Very good and utilise the auto light sensor on the 850c headunit, although you can also manually switch them on and off...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Regarding the Peugeot, maybe but I'd probably just buy another kit. Quite unbelievably I've got a fully functioning MTB 3x8 (11-34t) chainset working on it perfecting with the old Sachs Huret downtube shifters. I think what would stop me would be the brakes, although they are also upgraded to...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Crank arms either come off the taper or don't. It is knowing how far to go before you strip the threads. You are either lucky or not. Unlucky, then an automotive three leg puller sometimes gets the job done, but there is always the hacksaw and the dustbin and the bike shop for a new one. I'm...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Now that you have said that, i'll probably not bother fitting it. The kill-switch will be fitted when it arrives and used accordingly.
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    I'd rather have some sort of safety device on the bike rather than none, saying that, there is always the power switch on the battery but I wouldn't fancy fumbling around for that in an emergency. The gear sensor is a must have for my bike with it having a fragile 10 speed chain, it really...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Traps and pitfalls (so far) Gear change sensor The gearchange sensor is going to have to go right up at the front near the shifter as on my bike the gear cable is 'naked' from the top of the downtube right back cable stop, which at the rear only leaves that small arc of outer cable which loops...
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    Ideal chainwheel, cassette and and chain configuration.

    I think I've sussed out the misunderstanding with the gearing has... And that is wheel size, if the Dahon you ride, with say 20" wheels, a 52t front will not have nearly the same impact as running a 52t on a 700c wheel. Using the calculator at BikeCalc.com 52f x 11r on a 20" wheel (assumed...
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    Ideal chainwheel, cassette and and chain configuration.

    Surely a 52t up from a 44t front will put the controller under more stress with the higher gearing? Is 60rpm the optimum cadence for the BBS01b ? I'm still waiting for my cable to arrive and once I've messed about with the settings i'll report back. I have a funny feeling that my current 44t...
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    Ideal chainwheel, cassette and and chain configuration.

    Some feedback on this having now fitted the kit (almost). No worries at all with chain alignment on a speed rear cassette (11-34). No chain-offs so far and I didn't even have to re-index the gears. As to how long lived the chain will be, that remains to be seen. And... I think the 44 tooth...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Wiring then, Part One - Getting the motor running and the bike rideable. This is where I am now, I've had the bike rideable for a few days now and have done about 30 (as hilly as I could find) miles on it. The loom is plug and play, really easy to do, BUT difficult to make it look nice. I...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    RevBecca, she is called, I've watched her videos and have to say I quite fancy her as well ;) I might go back and wedge something in the gap. I've been out and thoroughly tested things, it hasn't moved, yet though. Need to sort out the wiring next, I've currently only got the speed sensor...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Battery fitting; This had me scratching my head quite a bit. I'm sure those that fit these all the time are well attuned to doing this. I though I'd have no problems with this considering that my frame was a standard open triangle type and large to boot. Nope. The water bottle fixings were too...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Motor fitting; I trial fitted the motor and only managed to wriggle it part way in. This was due to the cable guide plate (under the bottom bracket) screw not being entirely flush. I simply undid it half a turn (it was still tight after that) and then the motor went in. Next off was fitting...
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    Review Bafang BBS01b 250w DIY fitting - traps, pitfalls and review

    Thanks for the replies. Next part, remembering that I'm just a keen DIY'er... Preparing the bike; Quite simply you need to remove the crank and chainwheel, the bottom bracket, the front derailleur and cable and gear shifter. The cranks come off usually with an 8mm allen key to remove the...