RCB S-Series Single Piston Caliper

The RCB (Racing Boy) S-Series Single Piston Caliper is a high-performance motorcycle brake caliper designed to deliver improved stopping power, better heat dissipation, and enhanced riding confidence for daily street use and light performance riding. Built with a forged monoblock aluminum body, the S-Series combines lightweight construction with excellent rigidity and durability.

Key features of the RCB S-Series caliper include:

• Forged high-strength alloy construction

• Hard anodized finish for corrosion resistance and premium appearance

• Single piston / compact performance design

• Improved piston retraction for smoother braking response

• Enhanced heat management for consistent braking performance

• Lightweight body for reduced unsprung weight

• Plug-and-play compatibility for selected motorcycle models

The caliper is engineered to provide sharper brake feel, stable hydraulic performance, and better modulation compared to many stock brake systems. Its precision-machined internal components help ensure reliable braking under both city commuting and aggressive riding conditions.

Available in color options such as:

• Red

Compatible applications commonly include:

• Yamaha Aerox

• Yamaha R15 series

• Yamaha NMAX

• Honda Sonic

• Honda RS150R

• Other selected underbone and scooter models depending on bracket fitment.