Shimano GRX BR-RX820 Disc Brake Caliper
Best high performance braking for dedicated gravel and adventure cyclists.
Designed for the demands of gravel riding, this component delivers precise modulation and a snappy initial bite. The wider pad clearance significantly reduces noise, while the user-friendly bleeding system makes maintenance straightforward, ensuring consistent performance on long, unpredictable rides.
$100.00
at
Airpark Bike Co
Who it's for
- Gravel riders seeking a quiet and maintenance-free braking experience
- Adventure cyclists tackling steep and technical mountain terrain
- Home mechanics who value straightforward and mess-free bike servicing
Who should skip it
- Weight-conscious racers prioritizing the lightest possible build
- Custom bike builders focused on specific color-coordinated aesthetics
- Bikepackers traveling through regions with limited specialized cycling parts
Performance breakdown
Braking Modulation
Precise lever feel allows for nuanced speed control on loose gravel.
Heat Management
Finned resin pads effectively dissipate heat during long, technical descents.
Maintenance Simplicity
One-way bleeding system makes routine hydraulic service straightforward and mess-free.
Noise Reduction
Wider pad clearance significantly minimizes annoying rotor rub and squeal.
Weight Efficiency
Lightweight construction keeps your gravel rig agile without sacrificing stopping power.
Setup Versatility
Flat mount design integrates cleanly with most modern gravel framesets.
Key Specs
Weight
91 grams
Material
Resin (pads)
Intended Use
Gravel
Number of Pistons
2
Rotor Diameter
160 mm
Pad Type Compatibility
L05A
Hydraulic Fluid Type
Mineral Oil
Brake Type
Hydraulic Disc
Mount Type
Flat Mount
Know before you buy
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