FSA TH-857

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

• Bearing Grade: Heavy duty caged ball
• Crown Race Diameter: 30mm
• Lower Cup: 34mm
• Headset Type: External, Threadless
• Upper Cup: 34mm
• Headset Weight: 149g
• Misc: Oversized 3/16" x 20B retainer bearings
• Primary Color: Black
• S.H.I.S.: EC34/28.6 | EC34/30
• Steerer Tube: 1-1/8''

Special order - ships in 5-10 days from Hawley/Lambert.