Author Topic: SRAM Force 22 crankset and P2M spider - hidden bolt issue!  (Read 1683 times)

SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« on: 16 October, 2020, 01:10:20 pm »
I’ve just tried to fit a Power2Max NGeco spider onto my Force 22 chainset. The problem is the P2M spider isn’t configured for the hidden bolt, so now the pin that prevents shipping between the crank arm and chainring is in the wrong place (out in the open). Also the hidden bolt is now exposed and the retaining bolt doesn’t look like the others (this is probably only a cosmetic issue but a nuisance none the less).

I don’t feel happy installing something that may lead to problems down the road. Any thoughts?

The sound of one pannier flapping

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #1 on: 16 October, 2020, 01:14:15 pm »
I use mismatched cranks and chainrings without a problem, and have done for some years.  I use what I can easily buy.  However, I curse the hidden bolt design.

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #2 on: 16 October, 2020, 01:15:24 pm »
I use mismatched cranks and chainrings without a problem, and have done for some years.  I use what I can easily buy.  However, I curse the hidden bolt design.

Cheers.  So you think it's OK just to go ahead and fit?
The sound of one pannier flapping

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #3 on: 16 October, 2020, 01:17:07 pm »
If it does not offend you aesthetically.  Or you could remove the pin.  We rode without such pins for decades after all.

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #4 on: 16 October, 2020, 01:18:09 pm »
 ;D  My mind is eased.
The sound of one pannier flapping

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #5 on: 16 October, 2020, 01:22:22 pm »
Not using SRAM I thought I would check.  It seems the crank is carbon so if you have a history of dropping a chain in the gap, then maybe not so good.

LittleWheelsandBig

  • Whimsy Rider
Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #6 on: 16 October, 2020, 01:22:49 pm »
You could also drill and tap a new location in the chainring to line the pin up with the crank. Some replacement big chainrings (TA for Campag?) came with two threaded locations for just this reason.
Wheel meet again, don't know where, don't know when...

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #7 on: 16 October, 2020, 01:37:40 pm »
Drilling and tapping a new hole would seem to be the way to go, especially as you say with carbon arms and a pricey power meter spider below.  Trouble is I haven't the faintest idea or the tools to accomplish this  ;D

EDIT: Actually, the pin isn't even screwed in. It's rivited  ::-)
The sound of one pannier flapping

LittleWheelsandBig

  • Whimsy Rider
Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #8 on: 16 October, 2020, 01:48:24 pm »
Just use a small enough metric Allen bolt, a sleeve the diameter of the bolt head and some Loctite.
Wheel meet again, don't know where, don't know when...

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #9 on: 16 October, 2020, 04:13:29 pm »
some SRAM chainrings are drilled already in two different places  for the chain peg, 180 degrees apart.  In the ones I have seen the peg is lightly  riveted in place.  If so, it can be as easy as knocking the peg out (eg using a drift and a small socket to support the chainring close to the peg) and then refitting it in the other hole. A knock with a suitable punch will reflare the rivet head well enough for it to be secure.

cheers

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #10 on: 16 October, 2020, 04:33:45 pm »
Brucey strikes again!   :thumbsup: ;D

On close inspection, at 180 degrees from the pin there is what to all intents and purposes looks like a plain rivet similar to all the others, but it's in fact a plastic plug that can be removed!

Will have a go tomorrow with a punch.  Many thanks all.
The sound of one pannier flapping

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #11 on: 16 October, 2020, 09:46:26 pm »
Success.  Pin removed with sharp tap using a nail punch and moved 180 degrees.  Chainrings rotated and pin now behind the crank arm where it should be.

Thanks all.
The sound of one pannier flapping

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #12 on: 18 October, 2020, 09:06:53 pm »
good work fella!

cheers

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #13 on: 18 October, 2020, 09:11:14 pm »
Thanks brucey.  Never would have spotted that without your help!

Just to tidy things up I'll get a spare chainring bolt to replace the hole left by the hidden one (which is now at 180 degrees in plain sight!).  Apparently you can tap out the female part from the inside and then it's a straight swap.
The sound of one pannier flapping

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #14 on: 18 October, 2020, 10:24:07 pm »

Just to tidy things up I'll get a spare chainring bolt to replace the hole left by the hidden one (which is now at 180 degrees in plain sight!).  Apparently you can tap out the female part from the inside and then it's a straight swap.

yep that sounds familiar; IIRC it was pretty straightforward to do this too.

cheers

Re: SRAM Force 22 crankset and P2M spider - hidden bolt issue!
« Reply #15 on: 19 August, 2021, 10:28:43 pm »
Thread resurrection!  I'm now changing the chainrings in an effort to eliminate an annoying noise (see other thread) and I need to remove the SRAM knurled edge chainring nut of the hidden bolt from the large ring (shown in pic in 1st post), and sadly Brucey is not posting ATM.

Anyone any idea how to remove these?  I presume it's a case of either drilling or knocking out but I'm unsure of the technique or tools required and don't want to screw up the new ring.

EDIT: Solved - by threading a male crank "nut" into the hidden bolt (leaving some space between the shoulder of the male bolt and the chainring surface), placing over the hole in a spanner socket (with some kitchen roll inbetween to avoid scratching) and tapping through with a small hammer.
The sound of one pannier flapping