[dr.welby]

the spindle length is different between the 4" and 5"

For the millionth time, it isn't.

I have the 4" Fat dub crank. Inside distance to the ring is 70mm.

 

[cdalemaniac]

Delete.

 

[mike_kelly]

It does not, otherwise the left side clearance diagrams would have 4" and 5" versions:

View attachment 2013116

The leftside says nothing about the axle just arm clearance.

 

[mike_kelly]

For the millionth time, it isn't.

I have the 4" Fat dub crank. Inside distance to the ring is 70mm.

Then the the diagram is wrong.

 

[dr.welby]

The leftside says nothing about the axle just arm clearance.

You made the claim that there are two arm forgings with a different shapes to accomodate two axles with different widths. The left side diagram doesn't show two different shaped crankarms are available.

 

[mike_kelly]

But the drive side does...

 

[cdalemaniac]

But the drive side does...

I tell you what, Just order a set of each (As I did) and measure yourself. At this point I truly believe you’re just trolling…..

 

[cdalemaniac]

For the millionth time, it isn't.

I have the 4" Fat dub crank. Inside distance to the ring is 70mm.

Just quit feeding the troll….

 

[bergsnj]

So is RaceFace not going to make 30mm spindle cranksets anymore?

 

[mike_kelly]

So is RaceFace not going to make 30mm spindle cranksets anymore?

Seems strange that they have been out of 197mm rear end spindles almost 6 months. But I don't think any of the rest of the sizes are going away.

 

[bcriverjunky]

If that were true it could open the door for somebody to manufacture aftermarket spindles. Then maybe they could make a 179mm... But I think the fact that Sram Dub won't fit the larger spacing increased the demand for the RaceFace cranks.

 

[mike_kelly]

Especially since it appears the 177 rear end is going away.

 

[FatAK]

The spindle of a SRAM FAT4 is the same length as a FAT5. The "CL" being referred to in the diagram is the distance from frame center to the chainline. Note that CL shows a 10mm difference in chainline between the two (FAT4 66.5mm vs FAT5 76.5mm). The FAT4 has a +6mm offset chainring, the FAT5 has a -4mm offset. That is your 10mm difference. Also, regarding Race Face, I just bought 2 of the 190mm spindles directly from them.

 

[mike_kelly]

And what does W1 tell you?

 

[mikesee]

And what does W1 tell you?

That you’re beating a dead horse?

 

[jkaber]

You guys got me all paranoid that I better pick up a spare just in case they quit making them. Race Face has them up on their website now....but out of stock. They do have them in stock on their Canadian site...but it says they will not ship to the US.

 

[mike_kelly]

That you’re beating a dead horse?

It just does not make any sense to me that they would sell two cranks, with two different names, that only differ in a replaceable chainring and their diagram shows a longer distance to the chainring from centerline between the two, clearly. The engineer in me I guess. I'll cease and desist. I really don't care I will never buy one.

 

[prj71]

You guys got me all paranoid that I better pick up a spare just in case they quit making them. Race Face has them up on their website now....but out of stock. They do have them in stock on their Canadian site...but it says they will not ship to the US.

This was in an e-mail I received from RaceFace regarding the spindles.

 

[FatAK]

And what does W1 tell you?

The diagram shows me that W1 is a measurement from the frame centerline to the inner part of the chainring (NOT the end of the spindle). As mentioned before, the chainring for the FAT5 is offset towards the crank arm.

 

[FatAK]

You guys got me all paranoid that I better pick up a spare just in case they quit making them. Race Face has them up on their website now....but out of stock. They do have them in stock on their Canadian site...but it says they will not ship to the US.

I recently received 2 of them directly from Race Face. Guess I got lucky and checked the link not long after they posted them.