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it's easy enough to make a plastic gear that is strong enough to cope with the torque near stalling point. The motor will stall before the gears melt. a problem with CD bikes is bad use of gears. Some people don't like high cadence and still insist on buying a CD bike.

yes, I always make sure that the rims are machined for V-brakes and the motor has 6 bolts for disc brake rotor. That picture is of an XF07 kit. The rims for XF08C and 85SX are the same.

maybe the real change was at the beginning of the 2010s. The rise of popularism, and Brexit is a consequence of popularism. Social media has made it easy for politicians wanting to attract the mobile phone generation who like instant results (like swipe left to delete what you don't like, buy...

you need to ask the suppliers. Generally, rims suitable for V brakes must have grooves and wear indicator like this: https://wooshbikes.co.uk/2020/hubkits/brake-grooves-and-rim-wear-indicator.jpg Your Sirius Sport is a lightweight road bike. I would suggest something like the XF08C or the...

I should have said 'You need an KT HL controller'. Like Lishui, KT make their controllers in HL format and other formats, like their Polly controller. It's the same circuitry packaged differently to be integrated into the battery base of main models.

they will have to set up shop in Dublin or Amsterdam. The loss of tax revenue to the UK will make you want to cry.

the last time I had a KT kit was 6 years ago. Things have changed since. There are a few members who run KT kits on their bikes like vfr400 and NealH. You need an HL controller, a KT LCD and a new waterproof cable. I am not sure that the Polly controller from KT would fit Hailong battery case...

the bars do have a little sweep. I also have short mudguards for the Rio MTB. They may fit well for those who need more clearance.

I could keep the rack and mudguards separate, not fit them for those who want to ride trails only. Conversely, I could fit an adjustable stem for those who only want to use it as a fast commute.

thank you Gavin.

if you want to 'upgrade': the cheapest way is to get a KT 36V/48V controller and KT LCD. They are flexible. The motor can also be run safely at 48V if you want to do that.

More pictures:

This project is to see if we could transit from the hugely successful Big Bear to the Camino frame. The Big Bear has a more upright riding position because it has a quill stem. The Grand Camino has younger ambitions. For that purpose, I have fitted an upgraded fork with bolt through maxle that...

no. The LCD on your Rio FB is not a King Meter. (I've tried it, the software loads but the protocol is wrong).

theoretically possible but... some people use the Lishui bluetooth adapter to do that. I have never tried. I only reload the firmware that comes with each model, never tried to change anything myself.

I can check it tomorrow.

Here are the dimensions of spoke flanges: 156mm x 38mm. For comparison, the Bafang BPM: 168mm x 40mm

it's programmed into the controller to comply with the law. after it's activated, it will stay on until you let go of the throttle lever or squeeze the brakes. So it's possible to ride for a while on throttle. If you brake, pedal again for a couple of seconds to re-activate it.

The EU forecast right from the start that we were either in or out, meaning hard brexit is the only possible outcome. They know that their economy is more important to us than ours to them because of their size. It's like trying to do a deal with China or india. Our fault is to accept that there...

I watched BJ on TV just now, delivering his rambling speech on 'project speed'. For a moment, I was puzzled if Covid did not get to his brain. He muddled a lot. Mixing past mistakes from previous governments since 2008 with his own exaggerations. He spoke up the 'might' of UK treasury that...