Brake Line Width 14mm(Basalt Braking Line). Hub Powerway R13 Hub (Black). Flatness <0.2mm. Rim depth 50mm. Material Carbon Fibre-Toray T700/Basalt Brake Surface. Finish Matte. Rim width 23mm. Spoke Tension Rear 100-130kg (Non-Drive Side) 150-180kg(Drive Side).