Rim: CONTEC hollow chamber Exit, 27.5" (21-584), inner width 21 mm, height 16.2 mm, 32 holes, SV valve, single eyelet, for disc brakes, max system weight 150 kg, suitable for e-bikes, black. Hub: CONTEC front hub Core CL, 32 holes, 15 mm thru axle, 100 mm installation width, Center Lock disc brake mounting, aluminium, black. Spokes: ALPINA 2.00 mm stainless steel, black, lengths 274 mm (left) and 272 mm (right). The Exit Core 21 27.5" front wheel is an all-round, high-durability wheel for city, trekking and MTB use, built to handle heavy loads and e-bikes. Assembled and trued in CONTEC’s Hoya (Germany) wheel factory. Technical highlights - wheel size 27.5" (584 mm), rim inner width 21 mm, rim height 16.2 mm, 32 spokes, spoke diameter 2.00 mm, hub installation width 100 mm, 15 mm thru axle, Center Lock disc brake mounting, black finish, max system weight 150 kg.