Bicycle Headset Bearing 45°x45° 30.5x41.8x8 mm 160-6483 TH-870S Compatible with Cane Creek IS42 Compatible with FSA

Headset bearing for integrated headsets: Size 30.5x41.8x8 mm, 45x45 degrees; Compatible with IS42, Cane Creek, and FSA for easy replacement on common road and mountain bike frames.
Sealed stainless steel construction: Angular contact design supports steering loads and retains grease, while rubber seals block dust and moisture.
Smooth steering: Precise 45x45 angles and matched tracks reduce play and friction for accurate handling and quiet turns on climbs, descents, curves, and daily commutes.
Easy fit dimensions: 30.5 mm inner, 41.8 mm outer, 8 mm thickness; quick caliper check and replacement of worn bearings in integrated cups without resurfacing.
Wide range of applications: For road, gravel, and mountain bikes for commuting, fitness, and touring; Practical spare part for workshop and travel repair kits.