30 XC Wheels deliver climbing efficiency and descending performance for the needs of today&';s World Cup XC racing and modern XC bikes. With steeper and more technical courses the world&';s best riders need more control and strength without compromising on weight. 30 XC delivers on both. Modern XC race bikes have wider tires more travel and geometry that allows riders to push harder than ever before. The 30mm internal width accommodates wider tires (2.35-2.5) for better support in corners and more traction in technical sections Increased spoke count to 28. The new rim gives you improved strength and durability at a lower weight DT Swiss Degree of Freedom system offers a tangible increase in performance with no weight penalty by reducing pedal kickback and improving suspension performance 30 XC Wheels include DT Swiss Deg 90 Hubs with Degree of Freedom ratchets installed in the 0deg position for high engagement and quick acceleration TECH SPECS table{border-collapse:collapse;width:100%;} td{text-align:left;padding:8px;font-weight:350;} tr:nth-child(even){background-color:#f2f2f2} th{background-color:#eb212e;color:white;text-align:left;padding:8px;} .desc .specs-heading{font-size:24px;font-weight:600;padding-top:35px;border-top:3px solid #f0f0f0;display:inline-block;border-bottom:4px solid #eb212e;width:142px;margin:0;} Rear Axle 12mm Thru x 148mm Rim Width (Internal) 30 Cassette Body Type SRAM XD Front Axle 15mm Thru x 110mm Valve Presta Color Carbon Wheel Size 29" Defined Color Black ISO Diameter 622 / Road / 29" Tire Type Tubeless Ready Rim Material Carbon Hub/Brake Compatibility 6-Bolt Disc