The all new Blacklabel 309/289 XC wheelset from Reynolds is designed to push the limits of aggressive XC racing and riding for ultimate performance. With a new low profile and wide channel rim, this wheelset offers increased cornering speed, direct power transfer, and improved compliance. The Reynolds proprietary hubs feature Industry Nine Hydra internals, providing instant 0.52° engagement for immediate power delivery. The IDM (Impact Dispersing Matrix) rim construction delivers industry-leading impact resistance and durability, backed by a lifetime warranty.The 309/289 XC wheelset features a 30mm internal width front rim paired with a 28mm internal width rear rim. Wider rims allow for lower tire pressure, increased traction, and improved steering precision. To ensure a balance between strength, comfort, and performance, the rim profile has been reduced to 21mm. The rear rim, with a 28mm width, is paired with 28 spokes, while the front rim has been widened to 30mm and features 24 spokes, adding compliance and reducing weight for a more agile feel on the trail.The "IDM" in IDM rim construction stands for Impact Dispersing Matrix, which combines high-quality carbon fibers and a unique resin to provide exceptional impact dispersing characteristics. This technology optimizes the layup schedule, improving impact strength, ride quality, and achieving low weights without sacrificing durability. The IDM material has been tested on the WC downhill circuit, proving its strength and reliability.