The motors from the group buy fit 30mm and 44mm mounting holes.
I am also interested in two mounts and one axle.
Quick update, I will have the first aluminum prototype on Monday. Ill ride if for a little bit to make sure everything works well. The good news is production time is very quick. Barring no issues, these will be ready to ship by the first week of October, maybe sooner.
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Thatās exciting! Definitely interested 
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Next big thing 
If it is machined, can we also have counter sunk holes for attaching motors like DIY/TBās V4 mounts have. That way you can get the drive pulley really close to the mount itself
wp-content/uploads/2016/08/v4.2-Motor-Mount.jpg
@kampfhahn Thank you!
@mishrasubhransu The pan heads that fasten the motor to the mount really wont interfere with the drive pulley. Let me get the prototype on Monday and we can take a look again. Thats an easy mod if its needed.
You should make the clamp that fits onto the truck a two bolt system like enertions mount. With a single bolt system you have to tighten the clamp extremely hard and 7075 doesnāt do that to well. Iāve had major issues with tb mounts slipping because of this. A two piece system can be tightened way more without any added stresses to the metal.
That adds an extra piece which requires another set up and added cost. The clamp itself will have two M4 grub screws that are not shown in the last picture.
The people dealing with ronins likely care more about performance. In my opinion a mount that slips and is cheap isnāt worth a dime.
Let me put it this way. I have 2 torqueboard v4 mounts, both of which I cannot use. They simply vibrate out of place after a few rides. Iāve put rubber tubing between the trucks and the clamp, Iāve jb welded the side, Iāve replaced the bolts to be able to tighten them more, nothing works. Do not use this clamp design, for people that live in an area with shitty roads they will move around and be junk. Just cut an extra hole and save everyone a world of pain.
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Iām interested. Very interested. Iām thinking heavily about switching to Ronins over calibers in my builds, so i definitely want to try these out.
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What if the mount and mounting ring had small teeth that interlocked? That would still give a large range of height adjustment and front/back mounting but all the stress wouldnāt be placed on the allen clamp and grub screw.
This guy made a video reviewing the Cast Ronins and points out the stock axel is too short to run Zelous bearings and stay tight.
I wonder if the stock axel is longer than when reviewed in '13
https://www.youtube.com/watch?v=e6r0y81arFM
So definitely interested in longer axelās
I keep reading about longer axles on here but havenāt seen any pictures or discussion about how that is actually achieved
you just hammer it out to one side! if you arent careful and tighten down the wrong one wheelside without the other sides wheel attached, you actually might just pull out the steel axle!
i dont know why you would need a longer axle except for these evolve/enertion kind of pulleys. my stock axle is great and the narrower the axle, the better your grip!
can you hammer the axel out of a caliber too? I know that inside the aluminum the axel is textured, but after chopping so many iāve found that theyāre not glued or anything.
@Chris1 yeah i would want longer axels also, i use insert pulleys pretty much exclusively.
@Eboostin I really like this idea, I am talking with my guy now about your idea. @Titoxd10001 made the longer axle, with his blessing I am going to make them. I spoke with him briefly and got overall dimensions. His were hammered out and epoxied in.
@Stevemk14ebr what are your thoughts on putting a spline the bushing and mount? I could mark a setpoint where the spline would start so the mount would start just off the truck.
A spline would definetely help with vertical movement but you also need to worry about lateral.
i dont think movement is any issue. its a large contact radius, so a lot of surface. i also always added loctite between adapter and motor mount and never had any issues.