FSA, TH-857, Headset, Black, 127g, (S.H.I.S : EC34/28.6 | EC34/30)

• 12 mm deep cup design
• Nylon top cover and plastic seal
• Forged and CNC-machined steel cups
• Upper: Ø5/32" x 20 retainer bearings
• Lower: Oversized Ø3/16" x 20B retainer bearings
• Stack height: 12.8 mm + 11.9 mm = 24.7 mm
• Weight: 149 g