Comes in both XD and Microspline Hydra Classic Mountain Bike Hubs Iso 6-Bolt - Boost (Front / Rear) Industry Nine Classic hubs are the heart of your wheelset, everything revolves around them, literally. Every Classic mountain hub is made start to finish in our Asheville, NC machine shop. From turning and milling bar stock 7075-T6 aluminum for shells, axles and encaps, wire EDM cutting A2 tool steel for pawls and driverings, to our own in-house anodization lab, every step of design, engineering, manufacturing and assembly is done on premises to our exacting standards. Hydra Classic mountain hubs are loaded with features every rider will appreciate such as revolutionary 0.52° engagement, generously low weights and an intuitive layout that can be serviced without any proprietary tools. Our range boasts a universe of standard options in terms of axle fit, spoke hole drillings, disc rotor mounting, freehub bodies, and colors. Specifications Hub Type: Front / Rear Axle Width: Front 110mm / Rear 148mm Engagement: 690POE / 0.52° engagement Freehub body: XD / Microspline Disc Brake Rotor Mount: 6-bolt Spoke Count: 32 hole Weight: 165 grams ✔ #originalbrand #readystock #100%new #genuine #authentic ✔ Delivered from Selangor ✔ Parcel delivery is arranged within 1-3 working days ✔ We are #ecocana a SSM registered company ✔ Retail/Repair/Showroom at Ecocana Sports, Gamuda Gardens Waterfront Village, Rawang Can buy from our official website: https://ecocanasports.com/Industry-Nine-Hydra-Classic-Mtb-Hubs-Iso-6-Bolt-Boost?search=industry%20nine Shopee: https://bit.ly/3u24c5T Lazada: https://bit.ly/3EKifSu Or direct to our physical shop at: Lg02, Waterfront Village, Gamuda Gardens, 48050 Rawang, Selangor Note: There will be cheaper price if buy in our physical outlet bundle with other items. Please call or whatsapp for more info: 017-234 2810