GSI Interlock Ultra - The Modular System. Redefined.
Every racer has a different vision for the perfect wheel. That’s why Interlock comes in three versions — each a complete package in its own right, yet all built on the same modular foundation.
Dual Step-Seal hydraulics, refined piston design, and extended tuning options — delivering smoother, more consistent braking you can actually feel. USA webstore pre-orders are now open!