SRAM DM 27t Anywhere?

Discuss light weight issues concerning mountain bikes & parts.

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UpFromOne
Posts: 1056
Joined: Wed Apr 08, 2009 5:23 am
Location: Olympic Nat'l Park, WA

by UpFromOne

Got a SRAM crank with 3-bolt direct mount, looking for a 27t DM 1x chainring, boost 3mm spacing.
Anyone know a source?

Researched AbsoluteBlack, Blackspire, Garabuk, OneUp, WolfTooth and found only 26t or 28t.

Attermann
Posts: 694
Joined: Sun Jan 05, 2014 11:04 pm
Location: Denmark

by Attermann

it's not possible to make narrow wide chainrings in unevevn numbers, so that's why.

by Weenie


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UpFromOne
Posts: 1056
Joined: Wed Apr 08, 2009 5:23 am
Location: Olympic Nat'l Park, WA

by UpFromOne

Huh, that never even occurred to me, thanks.

But just regular teeth would work, as I can mount a chain guide.
I ride uphill for training, and some of the trails are steep & long.

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Lelandjt
Posts: 640
Joined: Tue Jan 19, 2016 7:10 am

by Lelandjt

UpFromOne wrote:
Sun May 22, 2022 5:08 pm
Huh, that never even occurred to me, thanks.

But just regular teeth would work, as I can mount a chain guide.
I ride uphill for training, and some of the trails are steep & long.
No one makes it because you're the only person who wants a non-narrow/wide 1x ring. Is this to be used with a 12spd cassette? Even a 28t ring is a crazy low gear with a 50,51,52t cog. Like no momentum.

UpFromOne
Posts: 1056
Joined: Wed Apr 08, 2009 5:23 am
Location: Olympic Nat'l Park, WA

by UpFromOne

LOL, I don't do pie-plates, and think the whole thing with 52t & more on the cassette is hoo-ha.

But this has been a forcing-function to try an oval 28t to see if that helps with climbing (as they are advertised to do).

by Weenie


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ooo
Posts: 1376
Joined: Sat May 21, 2016 12:59 pm

by ooo

NSB made 27T in DM, but not anymore.
Use 28t oval DM, or 27t 64bcd + 104-64 dm spider
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nsb-27t.jpg
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