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Here is a Alta (Hirchmanm) throttle tear down by an electrician. He explains well what differ it from other throttles -

This is my favorite terrain and type of riding. I use on my Alta - map 2, PSI 8 in the rear wheel, gummy tires, and the stock EX suspension which is very soft and suitable for hard enduro (not for MX). it climbs effortlessly (almost...) Here is an example -

I agree. the Varg's KYB suspension are tuned for MX, making them quite stiff for enduro riding. that also contribute to the lack of traction.

a full video review - bottom line, there is room for improvement.

Valuable information. Thanks Rashid.

So according to that you get approximately 20 miles per charge at MX conditions? Does it make sense?

The Stark is oozing quality. I love how tidy the electrical wires are. Tightening bolts order is engraved on the aluminium. Slots for the number plate, and so on. Very nice touches.

Curious about weight difference between the Alta & Varg.

Got a chance to test ride the Ultra Bee. It is a fun bike, and will suit so many riders. Bike was stock. Power delivery is very smooth and predictable with good low speed handling. Brakes bite well. Can not say anything about the suspension as it was a gravel road test ride. I was a bit...

I remember trying the Erzberg fw on my Redshift EX. Apart from "hill climb" mode (bike will not roll back when stopping in a middle of a climb), did not notice anything special. Read that there is a "clutch pop" function in map 2 in this firmware. Could be useful for hard Enduro. Anyone...

You can customize the Stark (and also the Alta with the SM version maps) to freewheel when you let go the throttle.

Same here

the production model was released. 2 versions are available - 13kw & 16kw. customer can choose between 3 sets of suspension - basic, WP front & Ohlins rear, and WP both front & rear. pricy, but high quality bike at 89 kg. https://ridecake.com/en/p/bukk

Although the Stark sounds like a beast, I don't see an advantage over the Alta for trail / Enduro / hard Enduro. They weigh the same (which is critical for hard Enduro), Suspension is tuned for MX unlike the Redshift MX EX EXR which was soft and very suitable for hard terrain. Also, the...

The controllers that 3shulmotors build are based on Vesc firmware which is excellent. Very versatile with an excellent app to control everything.

I also noticed some soc difference after I toggle the key on my EX, but not to that extreme.

Thanks for the video Brian. What does the Alta do better than the Varg in your opinion (there is something?)?

I have the same model (EX), and it seems like a great deal.

Can't say I relate to the example given, but actually they nailed it with the Bukk. It's a good looking bike in my opinion, as opposed to their earlier models.

My thoughts exactly. That's a high quality Ulta Bee, and hopefully even better suited for taller riders. Ohlins, WP cone valve...everything seems top quality.