MRP System 1

4 Reviews for System 1

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 I've got one of the old-school original ones (silver with orange rollers). Still works and gets the job done; never dropped a chain. Setting them up is pretty easy and straight forward. You might have to spend some extra time getting the chainline set.
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 I run one of these for DH because it is too much work getting thread-locked bolts off to change it. Having said that, it is very reliable and simple. I don't believe it is possible for the chain to come off, and it will survive anything. If weight is not a concern, it is very good.
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 This chain guide is one of the best and most reliable one out there, Its almost a mount and forget guide. Huge bearings that last long. Metal plates that takes tons of beatings and doesnt crack to peaces like the other plastic chainguides. And it really does its job. It keeps the chain in plase. It makes just a little bit more noise due to the metal plates instead of plastic ones, but id chose quality over plastic fantastic any day.
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 Its a little noisy when the chain hits the metal bash rings, but it works.. totally flawlessly... unlike my E13 SRS!
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Avg: 5 (4 votes)
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MRP System 1 (MSRP $148) — This is the chain guide that started it all. Literally. Sandwich style, the System 1 gets it done with a guide ring inboard and outboard of your chainring. It’s super simple and extremely reliable. Frequently imitated, never duplicated, the original System 1 is still one of Steve Peat’s favorites. Designed primarily for frames with elevated chainstays (may require longer BB spindle).

Specifications Compare to other ChainGuides

Release Date 2009
Price $148
Weight 391 g
Color Options Black
Mounting Standard Iscg Old/bb-Mount
Mounting Standard - Chain guide mounting standards determine its compatibility with your frame. Older frames will use a simpler version known as ISCG. Most new age frames will use ISCG05, however there is adapters made for cross compatibility.
Single/Dual Ring Single/36-40/36-44/44-50
FD Compatible No.

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