30mm medium-V alloy pinned rim with CNC machined sides. Aero 3.3mm stainless spokes. Patented 2 left/2 Right spoke pattern. Sealed cartridge bearings. 24 spoke front/24 spoke rear. Shimano 8,9,10 speed compatible. Weight: Front 867g / Rear 1154g = 2021 pair. Clincher