MRP SB-3 Alloy Chain Guide

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sku: 113482

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SB-3: rotating outer bashguard with internal delrin guide plates and rollers mounted to one-piece stamped boomerang

Upper roller prevents chain derailment, lower roller provides chain tension adjustment

  • Includes Party Crasher bash guard with color-matched rollers
  • ISCG and BB mounting options, 4B/104 BCD only


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.

We're a group of about 25 passionate people that put our souls into the product and we won't let anything that doesn't meet our personal standards bare the "MRP" name. Those high-standards are applied to the products we produce in-house in our Grand Junction, CO headquarters as well as through our partners around the globe.