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I've had 2 bike conversions over the years both of which were unrestricted. They were quick but this time I wanted a legal bike for fitness and one that is covered by warranty. I might think about it when the warranty is up.

Hi Baz. I wasn't sitting on the bike when I compared the 42c with the 35c tyres. There was only a couple of mil of a difference! Maybe sitting on the bike would help to show a greater difference. In the meantime I've taken the gps off the bike so it won't wreck by head:).

Cheers Marcus. Its due a free service in 6 weeks so I'll ask them to input a smaller circumference at that stage. I'm loving the bike as it is. Getting a little more out of it would be a bonus.

You're right Andy:) The 42c should read 222cm. I got the measurements from a cateye pdf about setting up one of their speedos. Unfortunately only a dealer can change the circumference on the purion display. I'll have a chat with them. I think they can only go up or down by 5%. If I had...

Hmmm moving magnet back or forward didnt have any noticeable effect. Hi Andy. I measured out both the 42c and 35c tyres on the ground and there was little or no difference! The 42c wasnt as well pumped as the 35c tyre (stand pump broke). In theory there should be 5cm in the difference (217cm...

Yeah that's what I was thinking. I'll move it back a bit and give it a go.

Interesting thanks:). Defo something to keep in mind. Just came across this discussion https://electricbikereview.com/forum/threads/changing-tires-wheels-on-bosch-ebike.22377/ As I have a purion display it looks like I have to get the dealer to plug into it to change the tyre circumference.

Thanks. I'm reluctant at such an early stage (less than a weeks ownership) to tune it. If there's nothing else I can do I'll think about.

Hi guys. I've given up on my kit conversion and bought a Cube hybrid cross 500 all road. Very happy with the bike. However I've noticed that my garmin gps is at least 1mph slower than the speed recorded on the purion display. The actual speed doesn't bother me but the idea that the sensor...

Thanks Neal

Lol there's always something. The 9v battery in the meter is dead. None in the house so it'll have to wait till later.

With all 4 leds lit it looks like it is charged ok - subject to not being able to trust it. I can't figure how I might have touched the probes together. Only one probe is damaged and with the rubber insulation I can barely get them into the plugs holes. But it must be something like that...

Well I opened the battery case and all looks fine (if that means anything!) No funny smells or obvious damage. After putting the case together again I connected the charger up and it began charging. I pressed the charge indicator on the battery case (my head is fried because I hadn't even...

The lcd display indicated half charge. Previously it was showing full charge. When I put a meter across the discharge plug something shorted and one of the pins in the connector is now burned out. Not sure what exactly happened but the pin is melted and the tip of the probe of my meter also melted.

Yep it's the dolphin 09 case that fits into a base with a built in controller. I'll open it tomorrow and see what can seen and go from there. Thanks.

Wow Neal in a perverted way that does make me feel better:) Well done on the fast repair. The fuse looks in tact and the switch button lights up when depressed. I'm not sure how well you can see the damage from this photo. But the negative connector is more or less gone. It does look as if...

Thank you flecc. I wasn't sure if 2mm would be ok. Much better value than what I paid for the wrong ones today!

Well at least I managed to get the spoke in. It dawned on me that I could get the new spoke between the opposing spokes with a little bending as you suggested. Unfortunately the new spoke is too short by 3mm or so. I can screw the nipple in but I think too much of the thread is showing for it...

Thanks Andy. Some say spoke adjustment and wheel rebuilding is doable but to me its a dark art. Thanks for the youtube links. I hadn't seen some of them. I'm a bit deflated after ruining the battery (see above) so I'll have to reconsider how I proceed now.

I thought it was a bit high and certainly too high to match the 50% charge indicator. Anyway its academic now as I think I have completely ruined the battery:( I put a meter across the connectors of the battery and bang - nearly lost my thumb!! Thankfully it was only blackened after the...