SHIS: ZS56/28.6 | ZS56/40 - Compatible with a 56 mm internal head tube diameter (top and bottom) and a 62 mm external head tube diameter - 1.5" bearings (upper/lower): 36°/45° ACB (angular contact bearing) - Black forged alloy cups - For tapered steerer 1-1/8" to 1.5" - 1.5" alloy crown...
• 1-1/8", 36°/45° ACB • For 55 mm head tubes • For 1-1/2" head tubes and 1-1/8" steerers • Alloy top part • CNC-machined alloy cups • Angular contact bearings (blue) • Height: 7.1 mm + 3.5 mm = 10.6 mm • Weight: 140 g