Another Beast Build

[LukeTheJoker]

22/42! :shock: Unreal!

Luke.

 

[blown240]

I got a bit done tonight.

I removed the paint from the rear rim, and drilled it like the front. I got the rear wheel laced up (stock spokes, 3 cross), installed a lighter tube, the cassette, and got the wheels on the bike. Also I got the rear brake lever and shifter on.

Current weight is 47.4. Still 1 pound lighter than stock!

Next is to get a rear rotor, cables, chain guide, and chain tensioner.

Its starting to look like a legit mountain bike!

 

[LukeTheJoker]

To be still lighter than stock with a spring fork and multi gears is really impressive!

Luke.

 

[blown240]

Thanks Luke! The fork is close to 10lbs. Im sure with the stock fork it would be 40ish pounds. I was doing a bit of math, and I think I could take 3-4 pounds off the fork by making aluminum legs for it.

 

[blown240]

Last night I got the rear derailer hooked up and tuned and made a front chain guide from an old front derailer. The guide bolts on to the tab for the chain guard. I would post pics, but Im out of bandwidth on my photobucket account until Thursday.

 

[outskirtscustoms]

Pretty sweet build, can't wait till your photos come back so I can see it.

 

[blown240]

Ok, so I set up another Photobucket so that all my pics arent sharing bandwidth.

Last night I got the rear disc brake setup. At this point it a fully functional mountain bike!

Here are pics of the chain guide, the rear brake, and some overall shots. Time to start planning the rear suspension!

I also got this rear shock. Im hoping for about 6" rear travel. This shock has a 2 1/2 inch stroke, so 6" should be obtainable as long as the wheel doesnt hit the seat tube. I am going to raise the bottom bracket a bit also, I've hit the ring a couple times on big logs...

 

[blown240]

I took the Beast out for its first ride in the dirt with the new setup. It rides great, and I got it nice and dirty!

Here are a couple pics and a video:

http://www.youtube.com/watch?v=E-1bjONB ... e=youtu.be

 

[blown240]

Most of the weight I lost, I gained back with the fork. On a downhill in the dirt yesterday I got it up to 29.1 mph. It felt super stable.

 

[outskirtscustoms]

Looks great! I bet it is stable, the thing's got more rubber under it than a smart car! :lol:

 

[blown240]

Ya its super stable!

I am hoping to get started on the rear suspension tonight. I'll post pics if I do...

 

[Joosh]

Please do!

 

[LukeTheJoker]

Great video! Looking forward to seeing the rear end happen!

Luke.

 

[blown240]

I started on the rear suspension tonight.

This is where I knew I had to commit...

I wanted to at least get the main lower pivot done.

So first I cleaned the front triangle where the welds were:

Then after measuring 100 times i welded on the tabs for the pivot. I may gusset these at some point. Then I welded the pivot tube to the rear triangle. And then I got it bolted together. Next step is to cut off the seat stay and add pivots to them.

Ill let the pics do the talking:

I ended here for tonight. Hopefuilly I get some time with it tomorrow...

 

[LukeTheJoker]

Awesome! Been waiting for this bit!

Luke.

 

[outskirtscustoms]

You have lost your mind and I hope you never find it! This thing is sick! I hope the executives over at Mongoose see this and take some good notes, I know I am.

 

[blown240]

I got some more done tonight...


First I cut off the seat stays so that I could get an idea of MAX travel. It looks like 6.5 inches is safe:

Then I finshed up the chainstays where the pivot will be:

Then I made the link ends for the seat stays:

Here are the 2 pieces loosely bolted together:

Then I started mocking up the shock mount and main pivot:

Next will be to weld on the main pivot and start figuring out the upper links!

 

[LukeTheJoker]

Nice work! Very cool, cant wait to see it finished!

Luke.

 

[GuitarlCarl]

Brother that bike is AWESOME!

 

[Joosh]

Are you getting your suspension geometry from another bike? or are you just going with it?