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Philip, what I noticed is the gap on the clamp closes completely on the Alta triple clamps before it's completely tight. Once that happens, no matter how tight you make the bolts it won't clamp the fork tubes any tighter. I think this is why they make a creaking sound when you twist them and...

You have to be careful because the clearance to the frame can be an issue. If you do get a different clamp it has to have a pretty much flat top-surface on the lower clamp (and you still might grind some material for clearance) and nothing protruding below on the top clamp (like the '16.5+ KTM...

Well, I was training on my trials bike today, lost the front on a loose, downhill and the bar-end hit the top of my left foot real hard leaving it bruised and swollen. I’ve got it elevated now, ice and ibuprofen. We’ll see how it looks tomorrow. Hopefully nothing is broken.

The hub, triple clamp, and axle are wider. This makes it so you can’t swap wheels with common KTM wheels as the brake rotor will not align. Also, bar mounts are different so people can’t swap those to their preference or get commonly available steering damper mounts. Switching to KTM clamps, hub...

Agreed. I do understand they were trying to avoid the expense of a one-off triple-clamp, hub and axle for the SM but it sure would have made access to aftermarket parts and wheels a lot easier for their customers. Fortunately, it is a relatively easy fix. Alta, I would like to suggest using the...

Yes, any 13'-15' triple clamp should work. There is a small amount of clearancing (~1mm) you'll do on the top of the bridge support on the lower clamp. It will be obvious when you put it together because it will barely touch the bottom of the frame preventing you from getting to the steering...

It's an arena so it can't be too far and speeds are relatively low. I don't think range will be an issue but I'll be looking for an outlet to plug into between practice sessions just in case.

I'll be racing two Endurocross classes with the Alta 8/25 in Prescott Valley. I've never done anything like this so I'll be happy just to make the night show in 30+Vet and/or AMRA Club class. Time to start getting back into race shape!

To use a KTM front wheel I just used a KTM triple clamp. Any ‘13-‘15 should work. I got a set off eBay for $150. Had to do a very minor amount of grinding (~1mm) on the top of the cross-bridge on the lower clamp to clear the frame and allow full steering lock to the stops. Also, the axle stuck...

I don't remember exactly but it was somewhere around $120.

I ordered the EX kickstand for my MXR, problem solved.

I have mounted an Ohlins 2.1 steering damper. I had to machine a custom stem nut though so it's not exactly plug-and-play. I don't know of any others that fit without machining your own mount.

Brakes, rear wheel and counter-sprocket are all KTM stuff which makes it easy to swap parts. However the front hub, axle and triple clamps are 7mm wider which is a pain if you want to swap wheels around. You can't just order another hub from somewhere like Rocky Mountain. However, someone on...

Hub in excellent condition. Perfect for that second set of SM or race wheels. $175 shipped

Here's a set of triple clamps up for sale from my 2018 MXR. Had an Ohlins damper mounted on it and already has locating hole tapped if you want go that route. Nice condition, bearings are like-new. Price $220 shipped

That Turinecore muffler is THE must-have item for any Alta owner. Also, I'm seriously looking at getting one of those lithium batteries for easier starting.

The MX Factory did a pretty cool video comparing lap times. Electric Vs Gas Dirt Bike - Best Lap Time!

I have already confirmed the lugs are the same. I’m actually running the forks from my ‘17 250sx right now on the MXR. So, changing the hub to a KTM hub should be all I’ll need to use the KTM triple clamps.

Well, I just bought a 2013 KTM 125sx triple clamp off eBay to give this a try. It looks exactly like the triple on my '15 300xc which is the solid bar mount style. I'm assuming from what you've said that I will lose a bit of lock-to-lock travel and will likely have to adjust the stops. If the...