Hubs

Shimano Alfine Center Lock Dynamo Front Hub - Compatible with 26 to 28-inch wheel sizes - Light alloy QR lever and nut - 6V, 3.0W output - Centerlock rotor mount - Spoke Interface: J-Bend - Weight: 575g

With Center Lock disc rotor mounting, the quick release HB-MT400 front hub offers stiffer wheel rigidity, smooth rotation, and less drag. - 100 x 15mm front E-THRU axle - Stiffer wheel rigidity - Quick and easy assembly - Hole count: 32h

Shimano XT M756 front hub. - Double contact sealing - Super polished bearing races for low friction rolling - Light alloy QR lever and nut - 6-bolt ISO disc mounting surface