Technically not a hanger question, but did not want to start another thread for a simple question:
Does anyone know where I could get a 63xx motor mount, Caliber II clamp, with a long center-to-center length greater than 110mm? BN XL on my board currently goes 90-110 but barely not long enough. I know IDEA (efreedom.eu) offers one, but the cost is steep with shipping included. I thought I would ask here. Thanks in advance.
I found an answer and sharing with those who are interested. Torqueboard’s V7 Motor Mount clamps to Caliber II and has center-to-center distance of 103 - 121 mm. The geometry of RKP calls for a long motor mount for motor cans to not interfere with the truck baseplate when reverse mounted (out-the-back motor). This is more or less the unique issue for RKP and not TKP/DKP. And TB’s board has motors reverse mounted on RKP trucks.
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As you all may know, with BN220s not being produced within foreseeable future, there is a void of good ~220 mm Caliber II style RKP hangers for street boards. 3D Servisas stocks them but is pricey. You can get TKPs of similar size, but I personally don’t like TKPs. I just think kingpin axis (bushing compression) and pivot axis should be perpendicular for optimum bushing compression.
Anyway, I mixed and matched trucks from BKB (BKB 236mm) and Torqueboard’s motor mount and wanted to document my experience for others looking for a similar setup.
First, if you are using dual motors of 6374 or less, you can just get Torqueboard’s 218mm trucks and their matching motor mounts. However, I had dual 6384s laying around, so I opted for BKB 236mm. BKB 236, however, has very short section where you can clamp your motor mounts. The truck gets thicker than standard Caliber II after this point. This is designed to work with their proprietary motor mounts that does not require much clamping area (Dickyho style) that they don’t sell individually. So I Dremel’d the crap out of the hanger to reduce the thickness of the hanger and was able to clamp on Torqueboard’s motor mount. I ground off 3 flat sides and left the curved side of the hanger alone. You just have to take your time and make sure you leave a smooth and flat surface after grinding if you don’t want the mount to clamp on all wonky.
Second, Torqueboard’s motor mount has a lip around the edge that will prevent some motors from sitting flush. BN/Flipsky style motors have a chamfer around the motor face that interfaces nicely with it, but Maytech or Reacher motors interfere with it. You may have to grind off the lip depending on your motor.
Third, BKB 236s have criminally short axles (32 mm of usable length), so you need wheel pulleys with minimal stack height and standard street thane wheels only. Evolve’s pulleys didn’t work for me, but BN’s CNC pulley did. Barely enough length for speed rings, let alone axle spacers.
It was a lot of head-scratching grinding, but hope this helps others trying to build a street board drivetrain. Probably easiest option is Torqueboard’s trucks and motor mounts and sticking to 6374 or smaller motors (which is absolutely plenty).
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i love narrow trucks too. I have boardnamics 220 and 3dservisas 240. But i am looking for boardnamics 184 or something in that range 
@CHADFARTHOUSE Do you have the idea pkp trucks? Do you like them?
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I used to, I sold them to Micheal LoBlue
They were pretty sweet for short track until I decided to act like I’ve ridden them at 40mph and hit the throttle really hard rapidly approaching higher speeds resulting in a wobbly fate 
this was prior to tuning tho. So really user error.
I’d put them up against Tito trucks as a contender
With the right tuning these trucks felt much better than Mbs III trucks.
The bushing setup took some @RipTideSports
( Brad Magic ) at last years esk8con
Brad really helped to make them feel right with a rather odd bushing combination onsite at esk8con and made the trucks feel a little better.
Though he recommended actually modifying the trucks because I believe the hangar bushing inset was side loading the bushing causing a weird feel
@IDEA I never mentioned it but maybe it would be something to try?
The final bushing combo I had for those trucks was a llittle weird
x6 98cone krank everywhere else
x2 white 87 krank barrels on the underside of the rear hangar
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Do they turn?
Damn that’s the weirdest bushing combo I ever heard 
Sweet board though!
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I think it was actually x6 KranK 90a Cones (green) If I remember, we inverted them so the hanger would not interfere as much with the bushing when turning.
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Well, they obviously lean 
and it looks like you’re trying to turn.
They just seem like Air’s all over again. From that photo the hanger is still perpendicular to the deck.
I must have misheard you as I was about to race on my other board I had never really ridden before.
Thank you very much though I really appreciate the 2 hrs or so you spent trying to hash out the potential those trucks had.
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Do we know how much the trucks on the market weigh? Can weights be added to the list?
Tl;Dr: what’s the lightest mountainboard truck?
In my experience, for things like trucks, trying to get the lightest is usually not good. Sometimes, the lightest will be something that is light by virtue of being cheap and will totally explode if you use it hard at all. Other times, the lightest thing will be the lightest because of using expensive materials like titanium, and it will cost massively more for 10s of grams of difference that don’t actually matter. Unless your goal is to light money on fire, or you’re competing in something where the payout is so large that it’s worth any expense for an advantage, I would strongly advise against considering weight as a main factor. Also, for an eskate, the trucks are almost insignificant compared to the weight of any high-power or energy battery.
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Well, I’m on some clone matrix 1 right now and they’re the heaviest non-electric component right now. I bet I could literally save hundreds of grams for the cost of a normal set of trucks.
I’m having a really hard time getting any air off jumps even without any battery or motors, so your anecdotes about my batteries hold zero weight, unlike these heavy trucks.
The deck is the next thing to make lighter
I’m pretty sure wheels and tires weigh more than trucks, and if you want lightweight wheels, you want cheap plastic crap. High-quality wheels weigh more than cheap plastic ones. I’m pretty sure I’ve seen some “mountainboard trucks” that were largely plastic as well, so those would probably be the lightest. I wouldn’t try to do any jumping with those, though. Other than that, it’s almost certainly these: 04 Skate Truck 9.525mm Titanium axle BLUE logo : 04 if you consider them mountain board trucks. I’m not really sure how those will do jumping either, but have at it I guess.
Anybody know where I can get 184mm caliber style hanger/complete trucks with extended axles. Is there any other option than Boardnamics?
@Boardnamics do you have any left? How much is shipping to EU?
Unfortunately I have none left
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Weight should definitively not be the primary objective of ESK8 parts. It can, however, make for a good secondary or tertiary goal.
Components like trucks could be optimized for weight but still be plenty strong.
Decks too.
Distribution of weight could also be something that can be improved in the future.
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Which tricks have low weight as a secondary or tertiary feature?
I assume decks like the bro and anything primarily CF will be plenty light and strong.