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    Decathlon Rockrider E-ST900

    How regularly would you put your E-ST900 in for a service? Not had mine serviced for a few years now, albeit it’s not been THAT heavily used recently. If purchased from Decathlon, best to go there for the service?
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    “New” style Electric MTBs, which huge thick tyres

    Can we not even discuss on here?
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    “New” style Electric MTBs, which huge thick tyres

    Apologies in advance for the vagueness of this post, but I’m intrigued by these new huge E bikes that I see whizzing around town by the likes of Deliveroo cyclists, massive chunky tyres and which seem to propel without peddling? I enquired about them at my local cycle shop and was met with a “we...
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    Decathlon Rockrider E-ST900

    Is this bike now discontinued? Isn’t available to order now on the website and Decathlon can’t advise on its replacement.
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    Rockrider E-st 900 changes upgrades

    Thanks From reading thru your thread this morning, it doesn't look like you did the speed hack, is that correct?
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    Rockrider E-st 900 changes upgrades

    Can I just confirm, with the 38T chainring on now, is that the original chain back on again, or the chain you put on when you moved to the 42T chainring?
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    Decathlon Rockrider E-ST900

    No mods to the chain itself required, when you swap out the chainring?
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    Decathlon Rockrider E-ST900

    In regards to swapping out the chainring, is it just a case of unbolting the pedal, then the 4 x Allen screws, then it’s just a straight swap? Does the chain need adjusting or is the diameter of the old and new chainrings exactly the same?
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    Decathlon Rockrider E-ST900

    https://www.bikeparts.co.uk/products/fsa-brose-e-bike-chainring-104bcd-38t-wb158 Like the above?
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    Decathlon Rockrider E-ST900

    So, I managed to get the Torx screw out slightly, enough to allow me to slip a junior hacksaw in between the sensor and the frame and cut the screw off. Unless I can drill what remains of the screw out, then the sensor is never going back to its original location - unless I cable tie it, I...
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    Decathlon Rockrider E-ST900

    attempted the hack this afternoon. Epic fail. Used a T20 torx screwdriver to remove the torx screw that holds in the sensor but it was driven in so tight I’ve damaged the screw when trying to unscrew it, and no way is it coming out now. In such an awkward, recessed spot too. Damn! Any ideas of...
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    Decathlon Rockrider E-ST900

    So older software versions will be ok?
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    Decathlon Rockrider E-ST900

    See the magnet that you need for the speed hack? What kind of magnet do we need, and do you just glue it in place on the inside of the crank, opposite the repositioned speed sensor?
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    Decathlon Rockrider E-ST900

    I take it, after you do the speedo hack, cycling at higher speeds flattens the battery quicker?
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    Decathlon Rockrider E-ST900

    Thanks, will give that a go, but I’m not sure if I’ve destroyed the whole length of the Alan head.
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    Decathlon Rockrider E-ST900

    Hi, I put my bike to Decathlon on Thursday for its (belated) 3 months service. The bike tech must have over tightened the front wheel hub “pin” as when I attempted to remove the front wheel to get it into my car, I damaged the hub pin with the Allen key and its now totally stuffed. Any ideas how...
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    Decathlon Rockrider E-ST900

    See on the control panel of this bike, where you switch on/off, change power setting etc etc, there is what looks like a light switch, but there are no lights on the bike. Is this to allow you to add lights, and have them connected up and powered by the bike battery? What spec of lights would...
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    Decathlon Rockrider E-ST900

    Had this bike for a month now and loving it. Just fantastic, gets me to places I couldn't ordinarily go. However, and this is the the only thing I would fault it with, is the location of the bottle holder - right under the saddle. What happens if you wante the saddle right down at the minimum...
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    Decathlon Rockrider E-ST900

    Is it a particular E-MTB bottle holder, as my normal one won’t fit?
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    Decathlon Rockrider E-ST900

    Got one of these yesterday, first E-Bike I've owned, and the first MTB I've had in decades. Took it out for a 12 mile spin on tarmac yesterday, and it handled the hill climb effortlessly. And then this morning, in the rain and fog, took it round my favourite forest track and it handled the...
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