The super lightweight Base front hub is designed for any purpose. Their robust design and 2 multi-sealed industrial bearings guarantee long performance and low maintenance costs. Features: - 100/15 mm - Holes: 32 - 2 sealed bearings (2 x 6902 2RS) - Weight: 160 g (+/- 5% weight tolerance) - Material: Aluminium Spoking data: Flange to Center dimension: - Left (Brake disc side): 21mm - Right (Drive side): 34mm Flange circle diameter. - Left (Brake disc side): 58mm - Right (Drive side): 45mm Spoke hole dimension. - 2.5 mm Color Black