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Hola! Original sprockets are 12/48 and the circumference of the 18/80 Wheel is about 2140mm. The wheel spins at max. engine rpm with 1075 rpm. The countershaft ~ 4300 rpm. that makes ~ 85mph. And the speedometer depends on the engine- rpm and shows ~85mph. So when you use 15/45 and the...

Oh - i didn't think this way. As you mention the noisereduction might also be the reduction of vibration in parts of the engine. Not just shielding the source chain and sproket. I saw a video these days where the stark powertrain is beeing disassembled. PowerTrain The guy says, and one can see...

in good old austria… it is an ex and i‘ve a numberplate on it. the sm parts are to be legalized.

clearence… with 17“ sm wheels the clearence of the bike has shrunk to 280mm, no load, on its own legs. to receive the roadworty at the vehicle authority i need at least 310mm. now i liftet the ex to the point where front and rearwheel just touch the ground. in this case i‘ve 310mm. but the rear...

thanx and yes. there is an adjustment screw at the lower end of the electronic part of the headlight. it can be seen when dismounted. a plastic one. the whole inner part, reflector included, move up and down.

me too. thanx

the material is SUNLU(R) ABS LIKE resin. printed on an anycubic photon with SLA technology and 50um resolution.

The oem light from the EX dazzle other driver on the road. they are set to high Any ideas? It cant be adjusted i think.

The work is done. Constructed and attached an 3d printed cover for the front sproket. Works well and has two effects. 1. the shoelace are safe - and so is the driver 2. noise reduction The soundlevel drops from 105.9db(A) to 101.3db(A). The difference of -4.6dB reduces the SoundPressure to...

Jep. Here you are. the work is done. Constructed and attached an 3d printed cover for the front sproket. Works well and has two effects. 1. the shoelace are safe - and so is the driver 2. noise reduction details can be found under...

You're right!

Hola! Where did you get the short numberplate adapter from? Mine,the original one, is longer...

Its not a feature of STARK. It is the GSM CELL BROADCAST. https://en.wikipedia.org/wiki/Cell_Broadcast See there "Public warning systems"

Hola! Got a notice at night "Dude how is the range on that thing?! I kinda want to sell mine and get an EX!!" but cant see it in da thread. -> From 80km to 120km

Already seen... https://electricdirtriders.com/threads/electronic-clutch.4067/

Mounted a new chain due to sumo conversion. A chain without X-Rings or O-rings. Seems to be quieter at onroad use. Read an diploma theses on chaindrives. They mention where and when noise is produces between chains and sprokets. So i'm gonna print a 3d cover for the front sproket and equip it...

bravo! i‘m loving it. i‘ll be a beta- tester. but… i read the general terms from stark. will they be happy? they also mention the ability to shut down the bike remotely when someone mess up with their intellectual property. no idea if that ever happend or will happen??

I have the same experiance. The EX is significantly loud. screaming like a T-REX when accelerating and there are some resonance spots. I had a ZERO FX with a belt. Asolutely silent in comaprison. pedestrian did not hear me approaching and i installed a bike- bell on it. Now with the EX people...

got min a few days ago after just 45 days from date of order. it has a physical horn preinstalled. EX / europe