MRP ARG Chainguide | Braze-On Mount | 38-54T Gravel and Road Protection | Ultra-Lightweight 25g

Never let a dropped chain leave you greasy and chasing the pack again with the MRP ARg Chainguide. Specifically designed for the modern 1x gravel and all-road market, the ARg offers professional-grade chain retention in an incredibly lightweight 25-gram package. It features a streamlined aluminum upper guide that mounts directly to your frame's braze-on front derailleur tab, providing a factory-integrated look. With 8mm of chainline adjustment and compatibility with chainrings up to 54T, it accommodates a massive variety of drivetrain configurations. The integrated nitrile rubber O-ring silences any chain contact, ensuring your ride stays as quiet as it is secure. Whether you're navigating high-speed washboard or technical gravel descents, the ARg is the essential insurance policy for your drivetrain. Trust MRP's decades of engineering to keep your chain on track and your focus on the finish line.

• VITAL CHAIN INSURANCE: Specifically engineered for the high-intensity demands of 1x gravel and all-road racing. The ARg provides 25 grams of essential insurance, preventing dropped chains during the "A" race of your season or technical group rides on chunky terrain.
• COMPACT AND LIGHTWEIGHT: With a minimalist design that weighs only 25 grams, the ARg is so streamlined and unobtrusive that you will barely notice it is there. It provides professional-level security without adding significant bulk or weight to your high-end carbon build.
• NOISE-REDUCING TECHNOLOGY: Features a nitrile rubber O-ring integrated into the upper guide to eliminate noise and dampen chain slap. This advanced design ensures a completely silent drivetrain, allowing you to focus on your cadence rather than mechanical distractions.
• WIDE CHAINRING RANGE: Optimized to fit 38-54T round chainrings (36-52T for oval rings) with 8mm of precise chainline adjustment (43-51mm range). This versatility ensures a perfect, rub-free setup across all modern gravel and road 1x drivetrain systems.
• PERFECT FOR ALL-ROAD RACERS: Ideal for gravel grinders and cyclocross athletes who refuse to let a dropped chain ruin their momentum. A must-have for any performance-oriented 1x build where absolute reliability and minimum weight are the top priorities.