screw it, I'm going 520

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kismetcapitan

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I'm doing the entire drivetrain. Why not; I'm almost at 2000 miles, time for a change :p

most of the parts are already in; just waiting on a couple stragglers. Here's what I've got:

- Afam 15T 520 steel front sprocket
- Afam PCD-4 sprocket carrier (black)
- Afam 41T 520 steel rear sprocket (black)
- EK ZVX3 520 chain (black)
- CNC Racing sprocket flange (black)
- CNC Racing axle nuts (black)
- CNC Racing flange nuts.....in red :p

Oh, and a DP carbon front sprocket cover and rear carbon upper chain guard.

Going up two teeth in the rear is a subtle change; I don't need drastic or dramatic gearing changes. I would have done a rear sprocket in aluminum but couldn't find an appropriate one in stock. So we'll lose about 1-2 lbs of rotating mass.

What's the worst that could happen? I've gone with two steel sprockets. The EK chain has a very high tensile strength rating. Hell, if it snaps, as long as it doesn't whip into me in a bad way, I can go back to 525 with the cost of a new chain, replace the stock front sprocket, and "quick change" in a 525 rear sprocket on the, uh, quick change sprocket carrier...

MotoGP bikes use 520 chains. I've seen one break once (John Hopkins on Kawasaki, as if he wasn't already having terrible luck). There have been some estimates that Honda and Ducati have made upwards of 270hp...sent through a lightweight 520 chain. But then, MotoGP bikes don't make anywhere near the 107lb/ft torque our bikes do....

so screw it. let's see what happens :D
 
Just me IMHO, but the change to 520 is a waste until you SERIOUSLY need a chain or sprocket change. 2k miles is a drop in bucket on these bikes and that part of drivetrain. However, if you have the cash and it appears you've spent time looking it appears you've already made up your mind.

As far as carbon goes- DP is literally overpaying! Trust me, if you don'tknow who I am, the Super senior members will tell you I'm the ultimate King of Carbon Fiber and can't find another location on the bike to put any! -lol. If you're interested in any hooks on any of this stuff n more my PM box is always open my friend. ;)
 
kismetcapitan said:
I'm doing the entire drivetrain. Why not; I'm almost at 2000 miles, time for a change :p

most of the parts are already in; just waiting on a couple stragglers. Here's what I've got:

- Afam 15T 520 steel front sprocket
- Afam PCD-4 sprocket carrier (black)
- Afam 41T 520 steel rear sprocket (black)
- EK ZVX3 520 chain (black)
- CNC Racing sprocket flange (black)
- CNC Racing axle nuts (black)
- CNC Racing flange nuts.....in red :p

Oh, and a DP carbon front sprocket cover and rear carbon upper chain guard.

Going up two teeth in the rear is a subtle change; I don't need drastic or dramatic gearing changes. I would have done a rear sprocket in aluminum but couldn't find an appropriate one in stock. So we'll lose about 1-2 lbs of rotating mass.

What's the worst that could happen? I've gone with two steel sprockets. The EK chain has a very high tensile strength rating. Hell, if it snaps, as long as it doesn't whip into me in a bad way, I can go back to 525 with the cost of a new chain, replace the stock front sprocket, and "quick change" in a 525 rear sprocket on the, uh, quick change sprocket carrier...

MotoGP bikes use 520 chains. I've seen one break once (John Hopkins on Kawasaki, as if he wasn't already having terrible luck). There have been some estimates that Honda and Ducati have made upwards of 270hp...sent through a lightweight 520 chain. But then, MotoGP bikes don't make anywhere near the 107lb/ft torque our bikes do....

so screw it. let's see what happens :D
Click to expand...


Nothing will happen. The 520 is fine on these bikes. Going to alloy sprockets is where the weight saving is though. Sproket centre is a good place to get stuff like that.
 
bradp51 said:
Nothing will happen. The 520 is fine on these bikes. Going to alloy sprockets is where the weight saving is though.
Click to expand...

This.

Mine is getting a lightweight carrier and 520 chain/sprocket kit immediately (along withTitanium sprocket nuts and rotor bolts).

A good quality 520 chain is fine, and often times better than the cheap OEM chain. And with that kit, plus the lighter carrier and Ti ...., will shave several pounds of rotating mass. That is where it counts.
 
kismetcapitan said:
I'm doing the entire drivetrain. Why not; I'm almost at 2000 miles, time for a change :p

most of the parts are already in; just waiting on a couple stragglers. Here's what I've got:

- Afam 15T 520 steel front sprocket
- Afam PCD-4 sprocket carrier (black)
- Afam 41T 520 steel rear sprocket (black)
- EK ZVX3 520 chain (black)
- CNC Racing sprocket flange (black)
- CNC Racing axle nuts (black)
- CNC Racing flange nuts.....in red :p

Oh, and a DP carbon front sprocket cover and rear carbon upper chain guard.

Going up two teeth in the rear is a subtle change; I don't need drastic or dramatic gearing changes. I would have done a rear sprocket in aluminum but couldn't find an appropriate one in stock. So we'll lose about 1-2 lbs of rotating mass.

What's the worst that could happen? I've gone with two steel sprockets. The EK chain has a very high tensile strength rating. Hell, if it snaps, as long as it doesn't whip into me in a bad way, I can go back to 525 with the cost of a new chain, replace the stock front sprocket, and "quick change" in a 525 rear sprocket on the, uh, quick change sprocket carrier...

MotoGP bikes use 520 chains. I've seen one break once (John Hopkins on Kawasaki, as if he wasn't already having terrible luck). There have been some estimates that Honda and Ducati have made upwards of 270hp...sent through a lightweight 520 chain. But then, MotoGP bikes don't make anywhere near the 107lb/ft torque our bikes do....

so screw it. let's see what happens :D
Click to expand...

Can we please see photos of the rear sprocket and CNC carrier set up ? I too am looking at getting the CNC rear sprocket flange and CNC bolts/nuts. I am considering getting the red carrier and black nuts with red axle nuts so I would love to see photos of your set up

Cheers bro
 
If you are asking me, yeah i will sell all of that stuff (still new, bike hasnt even been ridden yet).
 
Going to look nice for sure and look forward to the pictures (especially a black chain).

Nothing wrong with spending $ on perfectly good parts IMO, modding is fun fun fun.
 
I changed mine with

DID 520 ZVM-X chain Gold
AFAM Superlite 41 Aluminum Alloy
AFAM Steel 15 Front
AFAM Superlight quick change carrier
CNC Sprocket flange (Red)
CNC Nuts (Black)

Contemplating going back to a 39T on the rear. 41T is fun but takes some getting use to in the canyons with throttle control it gets a little snatchy you loose some of the smoothness the 1299 has. The 41T was good on my 1199 but not so much on my 1299. I also notice the MPG goes a down a little bit due to the higher revving engine. But if excitement and quicker acceleration is what you're after then the 41 is good to go.



IMG_4489.jpg

IMG_4505.jpg

IMG_4501.jpg
 
stock 39T is 104 links; 41T is 106 links. If you've got a 106 link chain and put on a 39T sprocket, can you adjust out the slack or will you have to remove links?
 
520 Conversion

CNC Ti Axle nuts
Pro Bolt Ti sprocket nuts
CNC Ti carrier nuts
Sprocket centre Polyurethane cush drives (lighter)
Gold anodised spring clips (custom)
AFAM Alloy 41 tooth rear
AFAM Alloy 15 t lightweight front
520 gold chain Cannot remember brand
AFAM Gold sprocket carrier
CNC Alloy carrier

Saved a ton of weight, which I posted up with all the differences but could not find again. I keep it all on a spreadsheet on the mac so if someone wants a specific weight PM me.

Here are some pics
 

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bradp51 said:
520 Conversion

520 gold chain Cannot remember brand
Click to expand...

Brad, You have the industry benchmark chain DID EVR3 chain. I can see it on your links. :) I had that on my 1199 and on all my bikes but I went to the DID ZVM-X due the bigger engine in the 1299, it weighs about .3lbs more than EVR3 but suppose to be a little stronger. I have a brand new box (DID EVR3) sitting on a shelf in the garage for my next chain change along with an AFAM Superlite 39T Sprocket.
 
so it only took a million years to collect all the parts for a complete rear drive, but here it is, finally :)

will install tomorrow at a DIY garage, as I'm lacking a 1/2" impact wrench that can get the damned rear axle nuts off, and I'm not waiting two days for Amazon to send me one.

instead of trying to reuse the stock cush drives, I added Afam polyurethane cush drives. Lighter and stiffer, it'll either accelerate better, or be a lot jerkier around town :p

Unfortunately, the Afam cush drive threads don't match up with the superlightweight CNC Racing flange nuts I got. So that's an ounce or two no longer saved :(

with a black EK ZVX3 chain - I'm going all Darth Vader on my drivetrain :p
 

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kismetcapitan said:
so it only took a million years to collect all the parts for a complete rear drive, but here it is, finally :)

will install tomorrow at a DIY garage, as I'm lacking a 1/2" impact wrench that can get the damned rear axle nuts off, and I'm not waiting two days for Amazon to send me one.

instead of trying to reuse the stock cush drives, I added Afam polyurethane cush drives. Lighter and stiffer, it'll either accelerate better, or be a lot jerkier around town :p

Unfortunately, the Afam cush drive threads don't match up with the superlightweight CNC Racing flange nuts I got. So that's an ounce or two no longer saved :(

with a black EK ZVX3 chain - I'm going all Darth Vader on my drivetrain :p
Click to expand...
I'm kinda digging the Darth look.. Nice. Sort of "anti-bling" if you will.
 

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