Shimano GRX BR-RX820 Front Caliper
What the checker says2will not fit
Run variant by variant through the gravel bike builder’s own engine. Every sentence below is the checker’s, unedited. Nothing here says this part fits your bike; it says what it does and does not fit among the parts we hold.
Checked against 831 verified gravel bike parts in this catalog. 829 produced no finding of any kind.
Will not fit
- Will not fiterror · Shifter/Brake LeversFront brake mismatch: Shimano GRX BR-RX820 is hydraulic but microSHIFT Sword 1x10 (SB-G7000-R) is a disc-mechanical lever - a cable lever cannot drive a hydraulic caliper. On 1 of the 17 verified shifter/brake levers in this catalog.
- Will not fiterror · Shifter/Brake LeversFront brake mismatch: Shimano GRX BR-RX820 is hydraulic but microSHIFT Sword 2x10 (SB-G7000-R + SB-G7020-2L) is a disc-mechanical lever - a cable lever cannot drive a hydraulic caliper. On 1 of the 17 verified shifter/brake levers in this catalog.
$140.00 MSRP·136 g
What the maker states
- Mount
- flat-mount caliper
- Pistons
- 2-piston caliper
- Actuation
- Hydraulic
- Brake system
- Disc-flat
The rest of what the maker states1 not published
1 further field the checker looks for is not published by Shimano, so we leave it blank rather than estimate it, and that check stays silent on this front caliper. It is maximum rotor. Each is recorded as “not stated by the maker (not checked)”.
Source: the maker’s page. Last checked 2026-07-21.
Checked against
The checker ran this model against every verified part below that it has a slot for, the same way it checks a build in the builder. What follows is the verdict it actually produced for that specific pairing — not a recommendation, and not a guarantee any of these parts fits your own bike.
- 3T Exploro Race (Frame) No conflicts found
- 3T Fango LTD (Fork) No conflicts found
- 8bar Gravel Carbon Disc Fork v2 (Fork) No conflicts found
- 9point8 Fall Line R (Dropper Post) No conflicts found
- Acros ZS44/28.6 | EC44/40 Headset (Headset) No conflicts found
- All-City Cosmic Stallion LTD (Frame) No conflicts found
6 of 481 counterparts with a page of their own that the checker actually probed this model against, in alphabetical order by brand and model — never by price, popularity or the verdict itself.