100% built by hand and precisely trued by Holland Mechanics Original DT swiss 350s hubs Rachet 18T, 36T, 54T carbon tubular wheelset Original Sapim aero CX-RAY spokes Various rims profile 33/38/44/50/55/88mm tubular and HTG240 Clincher TLR. Road TLR carbon rims with patented HTG240 resin formula and special layup design, less than 0.5% braking fail1