OSET Electric Trials Bikes

I have installed LiPo batteries on an Oset 20.0 48v before with good result. Now its time for my daughters 16.0 but I am not really sure about what batteries to use. I would like to have maybe 12000-16000 mAh and I am thinking about anything from totally 8 cells (29.6v) to 10 cells (37v). Is there anyone here who have done this and what batteries have you used?

Looking for a bit of help with my sons 20R. Little used 2015 model, bought it a couple of months ago with LiPo battery already fitted, last ridden about 10 days ago. Plugged in the charger this morning and it was flashing to indicate an error! Checked battery voltage - 51V. When the battery is connected to the bike, the bike can be switched on the power lights illuminate on the throttle for a moment and then the power relay drops out. I've checked voltage too and from the key switch 51V, too and from the handlebar switch 51V and to the controller 51V until it shuts down. I have 51V each side of the main fuse and I have 51V supply onto the relay until it switches off…

Hope you can help. I have a 48v 20" that has 1 damaged battery. I want to charge the other three, can this be done on the bike with the 48v charger or is that a bad idea? If I get the three charged will it run (even if at lower power) just to show the motor works before I sell it? Thanks

Morning all. Went to get my boys oset 20.0 lite out of the shed yesterday, fully charged, swithched on on the handle bar, 3 lights showing on the battery gauge, and nothing. When I say nothing, you hear the relay make the click noise but when you touch the throttle there is a slight response where the wheel turns a fraction then it cuts out. Repeat process and it does it again but nothing more. It was fine when we put it away after a dry ride. Any thoughts???

Our boys have been spending way more focus and time on their gas machines, and we decided to sell the pair of 36v 16's. I expected that they would go super quickly, but there has been almost no interest here on craiglist and a couple of the local MC (not trials) forums. Is $800 and $900 out of line for 3 year old machines? Or is it just that trials is out of the US mainstream? Pete

2011 oset 16 36V it's looking like the chain is rubbing one of the motor mount bolts. Chain doesn't feel overly loose, not sure what else to check. Anyone any suggestions? Thanks.

That is the question, I can not decide so please help if you had similar problem when choosing the first bike for your child. He is on his second push bike already on "16 wheels. Prefers to rides bigger now. He will hold the weight of oset16 when stationary at the shop, but not sure he will manage in slow turns or over obstacles. 12.5 seems too small but sales person at the shop advice is to get 12 for him for one year. Unfortunatelly can not find anywhere he could try both near London. He was on Kuberg trailE at bike show but that was too tall.

I've bought my son a second hand oset 16.0 36v for Christmas. Took him out today and the chain kept jumping off. I've stripped the bike this afternoon and I believe its happening because the chain needs replacing. The chain has KMC 8F 25HA stamped on it. I also would like to fit new sprockets as they look a bit worn. The front is a 12 tooth and rear 90. Are there any opinions on the heavy duty set that oset sells for £64? Also is the 68tooth rear sprocket in the heavy duty the same diameter as the 90 tooth one it has at moment so gearing will be similar to the original? Thanks for any help / guidance Wayne

Hi guys I have just purchased the above bike and would like to slow it down a little bit until my daughter gets to grips with it. What can I do?

Got these other day for my sons bike as he trapped this fingers behind his new Clarke's Hydraulic brake levers. from eBay £9

Hi! Is there any recommendations to more powerfull motor to Oset 12.5. Something pretty similar as sise wise to stock motor so it fits the swing. I want brushed because I have allready Kelly Controller fitted. Between 800-2000 watts?

Has anyone found a "stickier" rear tire for these amazing little bikes? I have ordered a Shinko 241 in hopes, but can't seem to find any reports on any tire other than the stock Cheng shin.

Hey guys, awsome content here on the forums. We decided to move from Estonia to Spain and the best thing about this is the weather. Our 3 year old can ride his OSET 12.5R on a daily basis enjoys every second of it. Made a small edit to youtube for friends and family to see, thought maybe I should post it here aswell and get some feedback. Enjoy (it's in Estonian but subtitled)

I've just recently purchased this Oset 16 & the seller said this was a Red framed Racing version. Can anyone confirm this? thanks in advance

Ok so bought my son I used oset 16 racing yesterday, after we got home he spent a good hour or so riding so I put the bike on charge, standard bartteries and charger, went to it this morning and I could smell the batteries, anyway they are now dead hot and swollen up, surely the charger would cut off when they are full? Is this my fault for leaving them on too long or a battery or charger error?

Ok I have just bought my son a 16 racing and want a spare set of batteries, can't really justify buying a boost battery at the moment, can anybody point me to some decent standard batteries online? Thanks.

Just upgraded my eldest to a 16 and want to try and smooth out the power delivery on the old 12.5 for my youngest. Slower I set the speed the further the throttle has to be turned to bring the power in and the less sensitivity there is. What's the best way to improve. Kelly controller? Debating lipo for the weight savings when the batteries have had there day. Cheers lads.

A wee Oset story. My 11 year old moved up to a Beta 80 at Christmas so the Oset 20r was def surplus. He'd been on a borrowed ty 80 lately as a stopgap the last few months and how can I say ruined it and I had to return it to a friend (probably ex) Anyway first club trial I really fancied my chances against junior on the wee Oset. Now bearing in mind I don't think he ever finished a Trial on the Oset as it's on lead acids I thought my 40 years experience would offset the disadvantage of my 12.5 stone. All went well matching him mark for mark until a small hillclimb, no way I had to ride it like a caterpiller on steroids just to keep moving. S…

Its no secret that my favourite bike is the Mecatecno Dragonfly , so when i heard a little about there being a new adult sized electric bike bearing the same name i was very interested . I fired off a message to Jordi Mila who is the owner of Mecatecno. He also has a nice collection of original Mecatecno's as well....but that is another story ...but its clear where his inspiration for the company name came from . The new Mecatecno and Jordi lives in the same town as the original founder of Mecatecno and he bares the same christian name.....anyway i digress . Jordi Mila has a design company on the same premises above the electric bikes factory where he designs all sor…

Hi everyone. My first time posting in this forum, excluding the one in introductions. Recently got into trials after 20 years of road riding. Got an Oset 12.5 for my son (4), followed soon after by an Oset 20 for myself. Which the wife then appropriated Anyway, am having some difficulty adapting to the clutchless electric thing. Plus the 20 is very potent.. My reflexes feel too slow and my muscle memory too deep to adjust easily. I've had a few "whiskey throttle" incidents, especially when attempting standing wheelies. The motor is stronger than the back brake, so I have not been able to catch the bike once it starts getting away from me. So. I made a mod. I put a …