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11-16-2016, 08:09 AM | #1 |
Custom Carbon Fiber Join Date: Oct 2007 Location: Connecticut :(
Posts: 4,501
| *** Krazed Builds KR4 Rear MOA Axle *** Looking for a Lighter and Smaller rear axle for your Bully2? We are excited to finally release our KR4 Rear Axle designed around the RC4WD Bully2 internals. What is it? CNC Machined Delrin center case 12mm Carbon Fiber Tubes Carbon Fiber Side Enclosure 4mm Carbon Fiber Motor Plate Matching Lower Link Triangulation 15* Kick Up For Better Clearance Optimized Upper Link Geometry What do I need? All the stock gears from your existing Bully2 axle Stock Bully2 axle shafts All the stock bearings from your existing Bully2 Do I need to custom make anything? Yes - the only thing you will need to make new is upper links. With our optimized upper geometry you will need longer links. Or just simply putting longer rod ends on your existing links. What if I dont have a Bully2 axle? Thats no problem at all! You can buy the parts separately from RC4wd and put them together that way. Stock Bully 2 Gears Stock Bully2 Rear Axle Shafts The necessary bearings for the axle (10 total) KR4 Axle Where do I get one of these? KR4 Rear Axle KR4 Axle - 180.00$ plus shipping - International Orders Are Welcome Its that simple! Last edited by Robbob; 07-05-2017 at 07:26 AM. |
Sponsored Links | |
11-16-2016, 08:11 AM | #2 | |
Custom Carbon Fiber Join Date: Oct 2007 Location: Connecticut :(
Posts: 4,501
| Re: *** Krazed Builds KR4 Rear MOA Axle *** Heres a little write up from our store about what we put into these. Quote:
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11-16-2016, 08:11 AM | #3 |
Custom Carbon Fiber Join Date: Oct 2007 Location: Connecticut :(
Posts: 4,501
| Re: *** Krazed Builds KR4 Rear MOA Axle *** Helpful building info: What gears do I need? All the stock gears except that tiny little idler and the small bearings that tend to fail. First add locker bearing and two bearings to the case and motor plate. Add bearings to the carbon fiber side Arrange the gears on the carbon fiber side enclosure as show - add in the locker gear - and slide into the case. Slide the cluster into the case. Attach side with included screws, spacers and bearing retainer Can I use aftermarket Ti axles? Yes! Nothing special about them, you just need normal stock length Ti axles from any of our great vendors on here. What screws does it use? We chose to use 3mm for the axle tube mounts and upper link. For the strength of them this was needed. In all the other areas we chose 4-40 for the weight savings. What if I dont have a Bully2 axle, where do I get the parts? You will need the following: Bully2 Gear set - Bully 2 Gear Set Bully2 Stock axle shafts - Bully 2 Competition Straight Axle Shafts Bearings: You can use the RC4wd bearing kit and have extras - RC4WD Bearing Upgrade kit for Bully II Competition Axles Or buy them individually from your favorite supplier: Locker bearings (2 total) 10x15x4mm Gear and axle bearings (8 total) 5x10x4mm Recommended suppliers: FastEddyBearings Ball bearings & RC Bearing kits Avid RC Bearings and Accessories for radio controlled vehicles, your one stop shop for RC bearings, RC wheels, RC accessories, RC springs, and much more. KR4 Axle Case KR4 Rear Axle Last edited by Robbob; 07-05-2017 at 07:27 AM. |
11-16-2016, 09:22 AM | #4 |
RCC Addict Join Date: Nov 2011 Location: the not so white north
Posts: 1,299
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
Are these already out of stock? Or they haven't been released yet? Website says out of stock? |
11-16-2016, 09:32 AM | #5 |
I wanna be Dave Join Date: Nov 2009 Location: Chico now
Posts: 2,384
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
They are selling like hotcakes!
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11-16-2016, 11:19 AM | #6 |
I wanna be Dave Join Date: May 2010 Location: Stowe
Posts: 3,987
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
I got the last one in the store today. More are on the way. |
11-16-2016, 12:13 PM | #7 |
Custom Carbon Fiber Join Date: Oct 2007 Location: Connecticut :(
Posts: 4,501
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
Im doing batches of 9 .... thats how many I get out of a sheet of Delrin. The first batch sold fast I already have more delrin coming (praying its here soon) so will have inventory up in a few days. Incredible Thank you to everyone! |
11-16-2016, 12:21 PM | #8 |
I wanna be Dave Join Date: Apr 2015 Location: Roseville, Ca
Posts: 2,506
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
I got mine ordered!! Woo hoo. More on the way, keep watching his site. |
11-20-2016, 08:37 AM | #9 |
I wanna be Dave Join Date: Nov 2009 Location: Chico now
Posts: 2,384
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
USPS tracking says mine should be here tomorrow, WOOHOO!
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11-20-2016, 09:14 AM | #10 |
I wanna be Dave Join Date: Apr 2015 Location: Roseville, Ca
Posts: 2,506
| Re: *** Krazed Builds KR4 Rear MOA Axle *** |
11-21-2016, 05:05 PM | #11 |
I wanna be Dave Join Date: Apr 2015 Location: Roseville, Ca
Posts: 2,506
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
Got mine today, it is CRAZY how light just the housing is. Its a work of art. Awesome job and thanks again! Now onto the front housing... |
11-21-2016, 06:20 PM | #12 |
RCC Addict Join Date: Feb 2008 Location: Crawlerado
Posts: 1,411
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
That epoxy will never hold! Very impressive thought process and execution |
11-21-2016, 07:22 PM | #13 |
I wanna be Dave Join Date: Nov 2009 Location: Chico now
Posts: 2,384
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
Beautiful........................., just beautiful, it shows that you take great pride in your products. Looking forward to the next crafty idea you have brewing in your head! Thank you very much Mr. Robbob! |
11-21-2016, 07:44 PM | #14 | |
Custom Carbon Fiber Join Date: Oct 2007 Location: Connecticut :(
Posts: 4,501
| Re: *** Krazed Builds KR4 Rear MOA Axle *** Quote:
Set screws for the win Thanks Casey - been beating on mine through all 5 revisions, now I just have to figure out a front eventually lol. Thanks Travis | |
11-22-2016, 10:59 AM | #15 |
RCC Addict Join Date: Nov 2011 Location: Surrey,BC- Canada
Posts: 1,663
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
How long till you have some in stock again?
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11-22-2016, 11:07 AM | #16 |
I wanna be Dave Join Date: Nov 2009 Location: Chico now
Posts: 2,384
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
Easiest axle to assemble ever, tolerances are perfect, excellent work!
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11-22-2016, 11:44 AM | #17 | |
Custom Carbon Fiber Join Date: Oct 2007 Location: Connecticut :(
Posts: 4,501
| Re: *** Krazed Builds KR4 Rear MOA Axle *** Tracking on the delrin for the case says i should have it friday, im gunning for the following friday to have them back in stock. Quote:
Thank you sir | |
11-23-2016, 08:26 AM | #18 |
I wanna be Dave Join Date: Nov 2009 Location: Chico now
Posts: 2,384
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
Since receiving this axle I have been debating weather or not to take the flapdisk to the housing. I have done it with every other rear axle I have owned but I don't know if I can do it to this one.
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11-23-2016, 08:48 AM | #19 |
Rock Crawler Join Date: Aug 2007 Location: Philadelphia
Posts: 797
| Re: *** Krazed Builds KR4 Rear MOA Axle ***
No Pre-orders for the next run? Can't really sit at a computer all day Friday.
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11-23-2016, 09:03 AM | #20 | ||
Custom Carbon Fiber Join Date: Oct 2007 Location: Connecticut :(
Posts: 4,501
| Re: *** Krazed Builds KR4 Rear MOA Axle *** Quote:
Wait ..... do it Quote:
I cant ..... my biggest fear doing that stuff is something gos wrong with the machine, material takes to long to arrive or just some freak thing holds them up. Im sitting here with peoples money and expectations that I cant deliver on. Ive seen to many vendors burn good people that way. | ||
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