Reserve 30 HD MX Wheels 29 i9 Hydra Wheelset Confidence Delivered Reserve's all-new 30 HD MX Wheels are designed to tackle anything you throw at them. They're built around an incredibly strong Reserve carbon rim. While they're incredibly strong, they're also reasonably light for an all-mountain rim, with them weighing in at 490g each. Reserve's choice of a 30mm internal rim width makes the 30 HD wheels perfect for modern 2. 2-2. 5" tires. The rims have been engineered to make tubeless installation even easier, with the rim bed utilizing an offset spoke hole design. Strength is the name of the game with the Reserve rims and the use of an Asymmetrical Design makes the wheels even stronger, stiffer, and more reliable. Industry Nine's phenomenal Hydra hubs sit at the center of the wheelset and deliver an incredible 690 points of engagement for improved technical climbing performance and out-of-the-saddle sprints. They're manufactured right here in the USA at I9's Asheville, North Carolina facility and are built to last. The Reserve 30 HD MX wheelset delivers the very best in mountain bike rim and hub technology in a mullet configuration built to shred. Features Strong carbon rims are designed for the toughest trails MX wheel setup for the latest MX -pecific bikes (29" front, 27. 5" rear)30mm internal rim width is perfect for modern 2. 2-2. 5" tires Easy tubeless setup with the all-new inner rim bed design Asymmetric design makes the wheels stronger, stiffer, and more reliable Reserve Lifetime Warrantyfor ultimate peace of mind I9 Hydra Hub delivers an insane 690 points of engagement SPECIFICATIONSWheel Size29" (Front), 27. 5" Rear Material Carbon Fiber Inner Width30mm Rim Height20mm Spoke Drilling28h Valve Type Presta Tubeless Yes Tire Type Clincher Brake Compatibility Disc (6-Bolt)Engagement Degree690 Points Of Engagement, 0. 52-Degree Engagement Upgrade Available No Front Axle15x110mm Rear Axle12x148mm Intended Use Trail, All-Mountain, Enduro Approximate Weight1829g | Reserve Wheels | Reserve 30 Hd I9 Hydra Mx Wheelset 110 X 148Mm, Microspline, Centerlock