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I got my RIze RX about six weeks ago and have now put over 750mi. on it. No failures to date but a few observations. The bike will run over 30mph with the throttle but I don't like using it do to increased drive train wear and increased battery drain. The 15 AH 52 Volt battery is good for a...

I don't see the point of a shift detector if it can't accommodate for the motor after run. I haven't tried a shift while pedaling but if I stop pedaling, the motor is still running for a second, shift and CRUNCH! Either it's too slow or just doesn't know the motor is running

Here's some for 99 cents...

Can't find the order right now, must not be in the system yet. Dang, I forgot to check that this chainring is for 9 speed. Oh well, if it isn't, no great loss

BTW, I found one on Aliexpress for $2.74 so I bought it. I hope it's round and flat :)

Ha! perfect and thanks!

Unfortunately that chain ring doesn't come in 48 teeth.. Oh well

I have a Rize RX with bafang ultra and shift detector. The cutout doesn't seem to take into account the motor decay/overrun so shifts are loud and not nice. I've learned to wait until the overrun stops to shift otherwise I think the drivetrain would be destroyed. I don't know, maybe the shifts...

I'd love to find one in steel for that price!.. All the aftermarket chainrings I'm finding are aluminum

What brand chainring did you buy? Is it steel or aluminum,thanks

I've read that aluminum chainrings wear out much faster than steel but all the aftermarket chainrings I see are aluminum. Point taken on the guard just protecting your pants. I've not had any issues with the chain dropping and I do think the narrow/wide chainrings help

Thanks, I wasn't aware of the rule of thumb. Actually I didn't expect going to a larger chain ring would be a complicated affair whatsoever.

How many links did you need to add to the chain?

Agreed. I did see an outer guard on amazon but it says it's for 42-58 teeth. It must be very tall and then there's the chain stay clearance issue. Will the stock guard work to protect the chain from coming off with a larger chainring? There's a lot of searching to try and find compatible parts...

I do see that aftermarket chain ring guards are sold but again the issue of which one, what size. etc. Good point on the triple chain rings and yes, my current guard would be useless with a larger sprocket. I don't want to run the sprocket naked, in fact I'd prefer inner AND outer guards

The OEM chaingring comes with an outside guard, I don't know if it can be used with a new chainring. It might be part of the sprocket I don't know. Also I plan on going up 4 teeth and wonder if there's a rule of thumb for increasing chain length when going to a new chainring.

Any updates on this? I have a Rize RX that came with 44T chainring and I'd like to go up to 48. I would like a narrow/wide chainring with at least the outer guard and it would be nice to have an inner guard too. I'm running out of gear in 9th so about a one gear change would be perfect. How will...

Meh, keep it in highest level of assist, eat greasy food and gain some weight YOLO

Yeah I'm still gaining weight on my ebike. I blame the bafang ultra motor. I put it in the highest level of assist and don't have to work at all, even up steep hills.

I did hear back from Rize and they said "the motorX tires will fit"... It's MotoX not "motor" X but yes, I've also read that usually there is no problem fitting a tire that says for crotched rims only regardless of what kind of rims you have. I still think rize was shooting from the hip but oh well