Shimano GRX BR-RX820 Disc Brake Caliper
Best high performance braking for dedicated gravel and adventure cyclists.
This front hydraulic caliper brings refined modulation to gravel riding, ensuring confident control on loose or technical terrain. Its lightweight design and heat-dissipating pads make it a reliable choice for long descents and demanding rides.
$100.00
at
Amazon
Who it's for
- Gravel riders seeking a quiet ride in messy off-road conditions
- Technical descenders who prioritize nuanced control over raw stopping power
- Home mechanics looking for a straightforward and clean servicing process
Who should skip it
- Budget-conscious cyclists who prefer using generic or multi-brand maintenance tools
- Value-oriented builders who find the performance gains marginal for the price
- Style-focused enthusiasts wanting more color options for their custom frames
Performance breakdown
Modulation Precision
Offers exceptional lever feel for nuanced speed control on loose gravel.
Heat Management
Finned pads effectively dissipate heat during long, technical descents.
Maintenance Simplicity
One-way bleeding system makes fluid changes quick and mess-free.
Weight Efficiency
Lightweight construction keeps the front end agile without sacrificing stopping power.
Frame Integration
Flat-mount standard ensures a clean, streamlined fit on modern frames.
Stopping Reliability
Consistent hydraulic bite provides confidence in unpredictable, mixed-terrain conditions.
Key Specs
Brake Type
Hydraulic Disc
Mount Type
Flat-mount
Compatible Rotor Sizes
140mm and 160mm
Pad Type
L05A Resin
Intended Use
Gravel
Position
Front
Know before you buy
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Ask Metto anything about the Shimano GRX BR-RX820 Disc Brake Caliper before you decide.
