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Single chainring road racing setup
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Brian Nystrom
Joined: 26 Jan 2004
Posts: 4055
Location: Nashua, NH

2/12/18 8:43 AM

Are you using a narrow-wide chainring?

They're specifically designed to help retain the chain, where standard chainrings are designed to allow it to shift on and off easily.

Linda's new 'cross rig is a 1x (at least for now), so once the weather improves to the point that she can get out and ride it, we'll see how well the chain stays on. There are very simple chain retainers for narrow-wide rings, as all you really need to do is to prevent the chain from riding up the teeth at the top. I may make one for her bike and attach it to the front derailleur tab (I need to find one of those too, since the bike didn't come with it).

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Sparky
Joined: 08 Dec 2003
Posts: 16461
Location: Portland, OR

2/12/18 11:31 AM

"narrow-wide chainring"

They are also quite tall teeth. My mentioned setup above has a SRAM CX1 X-Sync chainring.

I used other than the chain SRAM sez to use with it. It was pretty loud initially. I thought I was going to need to order the SRAM chain. But it quieted down pretty quick with a few miles with lube.

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Sparky
Joined: 08 Dec 2003
Posts: 16461
Location: Portland, OR

2/14/18 6:15 PM

Nick,

I saw this googling:

2 versions, reg and Di2. I guess the Di2 like the Shimano adapters has a place for the one set screw to rest so the DR does not bend in under and up to big ring shift.

https://wickwerks.com/products/fit-link-adapter/

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