CeramicSpeed Ceramic Coated Wheel Kits - Zipp 4

Most riders never think about their hub bearings until something feels off — but the CeramicSpeed Ceramic Coated Wheel Kits - Zipp 4 are worth thinking about before that point. Designed as a direct replacement for the stock bearings in compatible Zipp wheels, these ceramic coated bearings are engineered to reduce friction and extend service life well beyond what standard steel bearings deliver.

The coating is the key distinction here. CeramicSpeed's ceramic coated bearing surfaces are designed to run smoother and last longer than uncoated alternatives — the manufacturer cites over three times the lifespan of standard bearings. Each kit includes everything needed for a full hub service: four 61803 bearings, two 61903 bearings, a 10mL syringe of CeramicSpeed AllRound grease, and a sticker sheet. You're not sourcing parts separately or estimating how much grease you need — it's a complete service kit.

The real-world effect shows up over long rides and repeated efforts. Lower rolling resistance means less energy lost at the hub with every wheel rotation — a marginal gain that compounds across miles. And when bearings last longer, the smooth feel you install on day one stays consistent far deeper into the bearing's service life.

CeramicSpeed Ceramic Coated Wheel Kits Specs at a Glance

• Compatible with: Zipp wheels (Kit 4)
• Included bearings: Four 61803, two 61903
• Grease included: 10mL syringe of CeramicSpeed AllRound grease
• Designed service life: Over 3x longer than standard bearings (manufacturer claim)
• Also includes: CeramicSpeed sticker sheet