⚡ Seismic 7-Ball Ceramic Pro-Spec Built-In Bearings
The Seismic 7-Ball Ceramic Pro-Spec Built-In Bearings is made for skaters looking for a defined bearing setup. Ball count, material and spacer design determine how the set suits a chosen style of riding.
★ Bearings for your setup
The 7-ball system balances speed with resistance to impacts and side loads. It suits fast turns, slides and a range of skating disciplines.
⚙️ Balls and precision
The Pro-Spec version uses Grade G10 black ceramic balls and tighter precision tolerances for accurate, low-friction rotation. The Built-In system and a lubricant calibrated for racing complete this Pro-Spec version.
Mounting and compatibility
The Built-In setup integrates half-spacers into the bearings. Their wider interface helps align the bearings and stabilize their position in the wheels.
- System : 7 balls
- Balls : Grade G10 black ceramic
- Mounting : Built-In with integrated half-spacers
✅ Outside’s take
Choose based on the ball system, ball material and Built-In or Classic mounting. Check which format your wheels require before installation.