The MRP SXg could be the chain guide we’ve been waiting for

New guide promises simplicity, security and silence

The SXg could be the chain guide we've been waiting for

Courtesy

Josh Patterson

Published: December 18, 2015 at 2:40 pm
The SXg could be the chain guide we've been waiting for - Courtesy
The SXg provides upper and lower guides. The lower guide is also the skid plate - Courtesy
Co-molded TPU plastic (the grey stuff) is intended to silence chain slap - Courtesy
Both the top and lower guides swing open for easy installation - Courtesy

MRP has just released its latest chain guide. The SXg is designed as one guide to rule all disciplines – trail, enduro and downhill.

“I'm really proud of this product, which started as a concept I had over a year ago. The idea was to produce a guide that addressed every complaint I'd ever heard about chain guides. It's silent (and actually makes your bike quieter than with no guide), light, durable and completely drag free,” said MRP’s Noah Sears.

The sxg provides upper and lower guides. the lower guide is also the skid plate:

On paper at least, the SXg occupies an appealing middle ground between the burlier G4 and more minimalist AMg(V2). Unlike the G4, the SXg lacks a roller to tension the chain (which also creates drag). The AMg(v2) has a lower skid plate, but doesn’t provide lower chain retention. The SXg uses a lower skid plate that doubles as a passive lower chain guide.

Co-molded tpu plastic (the grey stuff) is intended to silence chain slap:

The upper guide and lower guides are constructed from Nylon and co-molded with a soft TPU plastic strategically positioned to reduce chain noise

Both the top and lower guides swing open for easy installation :

Both the upper and guides swing open for easy installation and all adjustments can be carried out with a single 4mm hex wrench

MRP offers the SXg in sizes for 30-34t and 34-38t chainrings. The alloy version has a claimed weight of 149g while the carbon-backed version has a claimed weight of 106g.

The alloy SXg retails for $170 / AU$279. The carbon version will set buyers back $225 / AU$329 (distributed by Steve Cramer Products). (UK pricing was not immediately available.)

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Josh Patterson

Contributor

Josh Patterson is a BikeRadar contributor and former technical editor. He has spent most of his career working in the cycling industry as an athlete, mechanic and journalist. He holds a master's degree in journalism and has more than 20 years of experience as a cyclist and 12 years of experience riding and writing for BikeRadar, Cyclingnews, Cycling Weekly, Dirt Rag, RoadBikeReview and Outside Magazine. A native of the Flint Hills of Kansas, Josh was a pioneer in the gravel cycling movement, having raced the first Unbound 200 and many other gravel events around the globe. He considers himself a cycling generalist and enjoys road, gravel and mountain biking in equal measure. When not traveling for work, he can be found exploring the singletrack and lonely gravel roads that surround his home in Fort Collins, Colorado. In addition to his love of cycling, Josh is an enthusiastic supporter of brunch, voting rights and the right to repair movement.
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