For 2021, The Spinergy GX comes standard with our new and improved hub design, the 44 hub. A Beefier hub with bigger internals, featuring 108 points of engagement, help you generate more torque and transfer of power for out of saddle efforts. We upgraded to a 44mm ratchet rings and offers standard compatibility with 11 speed SHIMANO / SRAM 8/9/10. The 44 hub has been updated to include a slip-fit system to easily swap out end caps to accommodate, 15mm,12mm or QR axles, helping you future-proof your wheelset. The new Spinergy GX for the road less travelled. With an internal width of 24mm, these are ideal for 36-42mm tyres and compatible with up to 54mm. This 700c alloy tubeless wheelset weighs 1475 grams. Built using 24 front and rear patented PBO spokes that can handle any terrain you will encounter on your next gravel adventure. Features 24 front and rear PBO spokes for optimal performance without sacrificing durability or speed. Available in alloy sandblast black ano rim. Uses Spinergy\'s exclusive CNC machined design, force-10 tapered hub with strong straight-pull spoke mounting and aerospace grade aluminium axle, rolling on a Spinergy designed HADLEY® aluminium freehub body. Spoke Style: Pbo Size: 700c Spoke Count: F/r 24 Lacing: F/r Radial / 2-cross Hub: Front 12mm Thru Axle Disc Rotor Mount: Center Lock Hub: Rear 142x12mm Thru Axles Disc Rotor Mount: Center Lock Spoke Colors: All Black Rim Style: / Width / Depth Aluminum Ultra Light Welded Seam / 24mm-internal / 28-external / 20mm Depth Compatibility: Shimano / Sram 8/9/10 Bearings: Stainless Steel Extras: Qr Skewers, Rim Tape, Truing Tool Weight: Combined F/r Wheelset 1475g (700c) Tubeless Compatible: Yes