Koozer XM490PRO BOOST XD refers to the freehub on the rear hub, which is suitable for sram XG series 11 speed - 12speed cassette MS measn the frehub on the rear hub is suitable for Shimano Micro Spline 12 speed mountain cassette HG refers to the freehub on the rear hub, suitable for Shimano 8-11 speed and & Sram PG series 8-12 speed mountain cassette Brand Name: KOOZER Category: Bearing Hub Hub Hole Number: 32 Holes Origin: CN(Origin) Material: Aluminum Alloy Spoke Hole: 29 - 36 Position: Front + Rear Number of Holes: 32 Holes Axle: BOOST Braking System: Disc Brake Koozer XM490PRO BOOST 🔥Pre order 7-9 working days Deliver to Malaysia, SG, Brunei, Worldwide Accept Ewallet Boost TouchnGo Etc.. & Credit card How to Order 1.Product Option: 2.Quantity: 3.Color: 4.Name: 5.Address: 6.Contact number: Send to ☎FB http://m.me/icebikeheaven ☎ http://www.wasap.my/60174204398 Sales, Order, Customer service ☎ http://www.wasap.my/60195272398 After sales/ Warranty FOLLOW US ✔ https://www.ebay.com/str/icebikeheaven37 ✔ https://shopee.com.my/icebikeheaven?tab=shop ✔ http://www.lazada.com.my/ice-bike-heaven/ ✔ https://fb.me/icebikeheaven ✔ https://www.instagram.com/icebikeheaven37/ Buy from Us! 🚴🏻💯% POSITIVE FEEDBACK 🚴🏻💯% Warranty & After Sale Service 🚴🏻💯% PARCEL ARRIVAL GUARANTEED 🚴🏻💯% ❌hidden charges 🚴🏻 7️⃣ days size exchange 🆗 🚴🏻 7️⃣ days 100% 💲💲 Guarantee back ☄ Prompt response 🥇♞ SSM Registered company- Icebikeheaven 🥇 8 Years of experience