Headsets

Replacement headset bearings from FSA. - Compatible with most Trek MTB integrated headset systems - Sealed bearing for long life - Compatible with Knock Block Headsets

FSA bearings that set directly into the frame without the use of pressed in cups. - 36/45 degrees is Cane Creek-compatible - 45/45 degrees is Campagnolo-compatible

- Machined aluminum spacers for tuning stem height - Black spacers with white FSA graphic - 5mm and 10mm Spacers are sold individually - 1-1/8" Spacer Kit includes: (3) 3mm, (4) 5mm, (3) 10mm, (2) 20mm

- 1-1/8" / 1.5", 36°/ 45° ACB - For tapered 50mm / 62mm OD head tube - For 1-1/8" to 1.5" tapered fork - Alloy top cover - Upper: Forged alloy cup with ACB (black seal) - Lower: 1.5" CNC machined alloy cup with ACB (black seal) - Stack Height 16.9+2.9=19.8mm - 124.6 grams

FSA Standard Headset Bearings

- 1-1/8" / 1-1/4", 45°/ 45° ACB - Compatible with carbon or alloy head tubes - For tapered 47mm / 52mm OD head tube - For 1-1/8" to 1-1/4" tapered fork - Alloy top cover - Upper : 1-1/8" angular contact bearing black seal) - Lower : 1-1/4" angular contact bearing (black seal) - Stack height 15.6+1=16.6mm - 74 grams

Cane Creek compatible integrated style bearings fit directly into headtube. - Crown Race: 30 - S.H.I.S. Lower: IS41 - S.H.I.S. Upper: IS41 - S.H.I.S. Stem Clamp Diameter: 28.6 Threadless

- FSA's core line of headsets with built in cable hangers and barrel adjusters for cyclocross applications - Dual seal, angular contact bearings provide long lasting, smooth rolling performance - Forged and CNC machined 6061 T6 alloy cups - IS: 36x45 degree Cane Creek Integrated, or X: External Cup, traditional available for 1-1/8" applications - 85g

- Carbon fiber top cover - Upper: Campagnolo angular contact bearings (black seal) - 1-1/8-inch, 45 degrees/ 45 degrees ACB upper - 1.5-inch, 36 degrees/ 45 degrees ACB lower - For tapered 46mm/56mm OD headtube - For 1-1/8-inch to 1.5-inch tapered fork

The lightweight Orbit UF uses a mixture of bearing types, with caged ball bearings in the top race and sealed cartridge angular contact bearings in the bottom race. Upper and lower water seals keep the elements at bay. - Forged and CNC machined 6061/T6 Aluminum cups - Patented alignment tip for increased durability and performance - Upper cup uses double sealed 5/32" ball bearings - Lower cup uses a black seal angular contact bearing - Laser etched aluminum top cap - Weight: 99g - Crown Race: 30 - S.H.I.S. Lower: EC34 - S.H.I.S. Upper: EC34 - S.H.I.S. Stem Clamp Diameter: 28.6 Threadless