Industry Nine Classic Enduro S 29" Wheelset Tough wheels for even tougher riders The Classic Enduro S Wheelset from Industry Nine is designed to raise the bar on what you've come to expect from an alloy wheelset, with high performance and the rugged durability to handle the roughest descents. This wheelset is built with classic J-bend steel spokes for simplicity and serviceability, while the 30. 5mm internal rim width confidently supports modern high-volume MTB tires. The high-performance and durable Hydra hub platform boasts a freehub with an unbeatable 690 engagement points-this produces 0. 51 degrees of engagement and virtually eliminates the dreaded engagement gap. The lightweight and durable rim, combined with fast-rolling hubs with nearly-instantaneous freehub engagement makes these wheels a worthy upgrade for nearly any bike. Features Durable alloy rim for the most rugged descents Durable 28-spoke construction with steel J-bend spokes and standard nipples for easy servicing Industry Nine Hydra hubs are legendary for their durability and freehub engagement, with 690 points of engagement, engaging at only 0. 51 degrees, for an almost instantly-on feel30. 5mm internal rim width is ideal for modern high-volume 2. 3-2. 8" wide MTB tires SPECIFICATIONSWheel Size29"Rim Material Alloy Inner Width30. 5mm Spoke Drilling28Valve Type Presta Tubeless Yes Tire Type Clincher, Tubeless Brake Compatibility Centerlock Front Axle110x15mm Boost Rear Axle148x12mm Boost Intended Use All-Mountain, Enduro | Industry Nine | Classic Hydra Enduro-S Cl 29" Wheelset 15X110Mm, 12X148Mm, Ms | Black | Hub | Aluminum