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No, I'm going back to manual and my Boardman Swytched Hybrid for riding with the misses.

Well, I decided to try and sell it with the duff battery. I was able to list it on eBay, ebike ban for private sellers not in force yet, and I have received a bid. At the current price, ownership of the bike would have cost me about £100 a month ‍♂️

I really liked the bike, a Orbea Gain D40. So I'm pretty fed up that the Mahle system only lasted 3 years. Although I see in the latest Cycling UK mag they state that ebike batteries only last between 3 and 5 years! Of course, what is really frustrating is the cost of replacing the battery pack. I still can't decide what to do with it. I have thought of stripping off all the ebike stuff and riding it manual or as in this tread fitting a different system; selling it for spares or repairs; or have a new battery fitted and then selling it. I see the new list price for the bike is £3,300! However, I won't be able to sell it on eBay. Thanks for all your responses.

Incidentally, I fitted the Swytch kit to the bike as normal per Swytch instructions and as fitted to my other bikes with the Swytch kit. Except instead of plugging the motor cable (9 pin) into the Swytch hub cable, I plugged it into the Mahle hub cable. I have another bike with the Swytch kit set up with a non-Swytch hub and that works fine.

Now that really is complicated!

Thanks for that suggestion but I wouldn't know where to start with that. Also, it sounds like adding more weight to the bike. If I could have got the Swytch system to work, I would have taken out the Mahle batteries.

"can bus encrypted they all do it to lock the batts to there motors then rip off prices" Rotten swines :-(

The battery on my Mahle X35 system has packed up. A Mahle replacement battery pack is too expensive. I am looking to replace the battery etc with generic kit fitted to the frame rather than in it. Any suggestions? I did connect up a Swytch kit to the Mahle hub but the motor just turns on and then immediately turns off every few of seconds. The pedal sensor is fine, the same happens in walk mode.

So clearly views differ and I'd be pleased to hear from anyone who has fitted a hub motor to carbon forks and their experience. I have a Swytch kit fitted to a Boardman Hybrid with a carbon fork. It has a torque arm fitted. I think probably just because I saw Swytch offering them and thought I should fit one. I have been using the bike regularly for 4 years without issue.

Sorry everyone. I'm new to the forum and it seems I posted inappropriately :-(

When charging the X35 battery I always charged it to full.

Ok I see now, as advised above, the Mahle X35 battery capacity is 248wh, the Swytch is 187wh. I find these fine for my rides. I think on the x35 I set the assistance for level 1 at 30% (I usually stay in level 1 unless on a really steep hill), on the Swytch I usually only engage the motor on hills. I could get at least 3 rides out of the X35 without recharging and I get a couple out of the Swytch. I am firstly a cyclist and now I am over 70, I like the motor assistance to stop me running out of puff on hills.

The comments regarding the small battery are interesting. I always thought the Mahle X35 battery to be a decent size. 1; because I find the bike heavy, I was assuming partly due to the "large" battery, and 2; because most of my rides are about 30 miles and I only use 15 to 20% of the battery. I guess I am use to a small battery because I also have a converted hybrid bike with a Swytch kit fitted with a 5.2ah battery and again I have no problem with the range it provides. The Orbea feels heavier than the converted hybrid, although I haven't actually weighed them, which I thought was because of the larger battery. Incidentally, I have been very pleased with the Swytch kit, it is older than the Orbea, and have even thought about fitting the battery and sensor to the Orbea and connecting to the X35 wheel!

Thanks for the suggestion. However, the retail price of the battery is still £650. With regards to fitting myself, I've seen those videos, they make it look so easy. You'll notice in the videos the chainset/axle and front fork have been removed. I don't have the tools to remove and replace the chainset and axle and I understand new cups will be required. The hydraulic brake cables and gear cables go through the stem/front fork steerer, I would be very nervous removing and replacing them. Also, I understand the battery has to be "programmed" to the motor which requires a registered/approved workshop anyway.

I bought an Orbea Gain with the ebikemotion X35 system. I didn't consider at that time that I would need to replace the battery at some point. The batteries last for 10 years+, yes? No! 3 years on and the battery is kaput! I've seen recently on a forum that the life of an ebike battery is expected to be only 3 to 5 years. So I was unlucky mine only lasting 3 years but it seems I should not have been so shocked when it failed. However, a bigger shock was the price of a fitted replacement £800! I do not want to spend out £800 every 3 to 5 years. In fact, I do not want to spend that now and currently have what was a very expensive bike sitting in the garage going nowhere.