CEMA 45x45 Sealed Headset Bearing – 39mm OD x 30.1mm ID Chrome Steel Bleed Kits 📏 Width: 810mm – Perfect

📏 Width: 810mm – Perfect for stability and control

Don't let a misaligned derailleur hold you back — ride like a pro today

✅ Direct Mount for Bosch G4 – Perfect fit for Gen 4 Bosch e-bike motors

earthy tones that stand out in the crowd

🏆 Why Choose Giyo

CEMA 45x45 Sealed Headset Bearing – 39mm OD x 30.1mm ID Chrome Steel Bleed Kits 📏 Width: 810mm – PerfectCEMA 45x45 Sealed Headset Bearing Precision Performance You Can Trust Engineered for serious cyclists and bike mechanics, the CEMA 45x45 Sealed Headset Bearing delivers unmatched durability and smooth steering performance. With a 39mm outer diameter and 30. 1mm inner diameter, this bearing fits seamlessly into your setup for rock solid reliability. Material: Premium Chrome Steel for enhanced strength and longevity Fully Sealed Design: Keeps out dirt,