RS Series — Racing
RS-620 Racing Grade — Lightweight Vehicles
Quick bite, short bed-in — the lightweight racer’s weapon of choice.
Technical Specifications
Formula Type
Low-Metallic Friction, Racing Grade
GB5763-2018
0.482
Friction Grade
GG
SAE J2522 Nominal μ
0.45
μ Range
0.45 – 0.85
Temperature Range
50 – 800°C
Bed-in Period
1–3 laps
Performance Ratings
Noise
3/10
Off-Road
0/10
Mountain
8/10
Linearity
7/10
Performance
8/10
Wear
5/10
Dust
3/10
About RS-620
RS-620 is BARBARO’s racing formula optimized for lightweight racing cars (1 ton or less). Its standout characteristic is excellent initial bite combined with an ultra-short bed-in period of just 1–3 laps — getting you to competitive braking performance faster than any other formula.
Designed for touring cars, GTC racing, and both endurance and sprint formats.
Benchmark Comparison
vs RS-635
RS-620 has quicker bed-in and is optimized for lighter vehicles. RS-635 offers stronger initial bite and wider control range for heavier cars.
Key Features
⚡
Quick Initial Bite
Strong braking response from the first application — critical for race starts.
🔄
1-3 Lap Bed-In
The fastest bed-in in the BARBARO lineup — competitive braking from lap 1.
🏎️
Lightweight Specialist
Optimized for sub-1-ton race cars with lower energy loads.
Best For
- Lightweight touring car racing
- GTC class competitions
- Sprint races with light vehicles
- Endurance racing (light class)
Recommended Vehicles
- Race cars ≤ 1,000 kg
- Lightweight touring cars
- GTC class vehicles
⚠️
RS-620 is a racing-only formula. Not for street use. Racing involves inherent risks — see BARBARO disclaimer.