UltraLight Rear Brake Disc

Lightweight Racing Rear Brake Disc

Less weight. Sharper response. Pure racing aesthetics.

Upgrade your motorcycle with a high-performance lightweight rear brake disc, engineered for riders who want to reduce unnecessary weight while giving their motorcycle a more purposeful racing appearance.

At just 400 g, this disc is dramatically lighter than a typical original rear disc weighing approximately 900 g — saving around 500 g of rotating and unsprung mass.

Reducing weight at the wheel can help minimize rotational inertia and unsprung mass, contributing to a more responsive feel and allowing the suspension and wheel assembly to react more efficiently.

Designed for high-performance motorcycles such as Suzuki GSX-R and Yamaha R1, it is an ideal upgrade for both road and track-focused builds.

Why choose a lightweight rear brake disc?

Only 400 g compared with approximately 900 g OEM weight
Saves around 500 g of rotating & unsprung mass
Helps reduce rotational inertia
Contributes to a more responsive rear wheel assembly
Racing-inspired lightweight design
Perfect for performance and custom builds
Suitable for motorcycles such as GSX-R and R1, depending on application
Complete the Upgrade

For the ultimate lightweight and premium finish, pair the disc with a set of Titanium Brake Disc Bolts.

Combining the lightweight disc with titanium hardware continues the weight-saving philosophy while adding the distinctive premium appearance of titanium. A small detail that completes the entire setup.

Reduce weight. Upgrade the details. Build without compromise.

Lightweight performance — down to the last gram.