New rims with wider internal width 19C , tubeless ready, and reinforced profile for maximize the performance in e-bike use.Hubs made of forged alloy and CNC machined with a conical profile and medium flange. Simplified adjustment of the hub movement - also with the wheel mounted - through a special ring nut. To fix the brake disc rotor, use only the original Shimano lock ring for thru axle with 27mm holeSpokes pattern 24-28 is optimized for e-bike riding resistance.