When someone buys one of the "other guys" chain guides, usually the first thing they do is scrap the roller that came on it, and order our standard MRP roller.
It's simply the smoothest, quietest, and most durable roller on the market.
Its asymmetrical design allows for adjusting the chain entry and exit angles.
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Features
Mountain Racing Products (MRP) produces chain guides for extreme mountain biking. Their products have a high regard and are extremely popular, with models to fit a wide range of frames the World over.
