Dt Swiss Xr 391 Disc Rim. The DT SWISS XR 391 Disc rim is your benchmark for cross-country and marathon mountain biking. Engineered for a perfect balance of lightweight agility and exceptional durability, it enables explosive acceleration and effortless climbing. Its 25mm internal width optimizes modern XC tires for superior traction and comfort, while the tubeless-ready design ensures a secure setup. The PHR spoke bore system enhances build stability. Built to ASTM 3 standards, it handles challenging terrain with confidence. Ideal for custom builds and high-performance upgrades. Experience exceptional performance with these DT Swiss rims, praised for their high quality and versatility. Ideal for XC and granfondo mountain biking, these 29-inch rims offer a wide 25mm internal channel. Weighing approximately 450-457 grams (without nipples), they are a lightweight choice. Available in 28 or 32 spoke counts, they are designed for robust wheel builds. The product includes nipples and washers, and is recognized for its DT Swiss brand quality. DT SWISS XR 391 Disc Rim: The Benchmark for Cross-Country PerformanceElevate your ride with the DT SWISS XR 391 Disc rim, a masterpiece of engineering designed for the demanding world of cross-country and marathon mountain biking. This rim is the ultimate foundation for building a lightweight, responsive, and incredibly durable wheelset that can conquer aggressive climbs and technical descents with equal confidence. Built for riders who refuse to compromise, the XR 391 blends race-day speed with all-day reliability, making it the premier choice for custom wheel builds and high-performance upgrades.The core philosophy behind the XR 391 is achieving the perfect balance. Experience explosive acceleration out of corners and effortless speed on the climbs, thanks to its remarkably low net weight. This lightweight agility doesn´t come at the expense of strength. Through advanced manufacturing and the use of a premium welded rim joint, this rim delivers exceptional robustness and stiffness, ensuring precise tracking and handling when the trail gets rough. Its ASTM 3 classification means it´s built to handle challenging terrain, including jumps and drops, giving you the confidence to push your limits.Embracing modern MTB standards, the XR 391 features a generous 25 mm internal width. This forward-thinking design provides optimal support for contemporary XC tires, creating a broader contact patch for enhanced traction, superior cornering grip, and improved comfort by allowing you to run lower tire pressures. The tubeless-ready crotched/clincher profile ensures a secure and seamless tubeless setup, minimizing the risk of punctures and unlocking the full performance potential of your tires. For the dedicated wheel builder, the Non-eyelet PHR (Pro Head Reinforcement) spoke bore system creates a more durable and stable interface between the rim and spoke nipple, simplifying the build process and ensuring long-term wheel longevity.This specific model is the Aluminum rim for bicycles XR 391 27.5 25 mm DB VI 28 holes, black with standard component decal Decal DIS no 10012980, Placement DIS no 10011534.Attributes: MTB Cycling, RimsSpecifications:GENERAL:- Field of application: XR (Cross Race)- Product type: 391- Rim joint: Welded- Decal type: Vinyl- Net weight : 415.000- Recommended system weight max.: 110 kg- ASTM classification: 3- Material: ALUMINIUM- Brake interface: DiscDIMENSIONS:- Rim diameter: 584 mm (27.5´´ / 650B)- Reference diameter ERD: 569 mm- Inner width: 25 mm- Outer width: 29 mm- Rim height: 18 mm- Tire interface: Tubeless crotched/clincher TC- Spoke bore rim: Non eyelet PHR- Valve hole: PrestaHOLES:- Number of holes: 28. tradeinn Bikeinn