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Tektro MD-C550 Front Caliper

What the checker says3will 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 854 verified gravel bike parts in this catalog. 843 produced no finding of any kind.

Will not fit

  • Will not fiterror · Front RotorFront rotor too big for the caliper: 180mm exceeds the Tektro MD-C550 caliper's maker-stated maximum of 160mm - the flat-mount system has no size-up bracket, so no adapter can make it fit. On 6 of the 30 verified rotors in this catalog.
  • Will not fiterror · Front RotorFront rotor too big for the caliper: 203mm exceeds the Tektro MD-C550 caliper's maker-stated maximum of 160mm - the flat-mount system has no size-up bracket, so no adapter can make it fit. On 4 of the 30 verified rotors in this catalog.
  • Will not fiterror · Front RotorFront rotor too big for the caliper: 220mm exceeds the Tektro MD-C550 caliper's maker-stated maximum of 160mm - the flat-mount system has no size-up bracket, so no adapter can make it fit. On 1 of the 30 verified rotors in this catalog.
The checker compares the dimensions listed in what we check, and what we don’t. “No conflicts found” means no conflict among those dimensions — not a guarantee that a build works. Errors mean it won’t fit; warnings mean it works but check; infos are notes.

$59.99 MSRP·155 g

What the maker states

Mount
flat-mount caliper
Pistons
2-piston caliper
Maximum rotor
Rotor up to 160 mm
Actuation
Mechanical
Brake system
Disc-flat
Maximum rotor evidence
Maximum rotor evidence: stated-maximum
The rest of what the maker states6 not published

6 further fields the checker looks for are not published by Tektro, so we leave them blank rather than estimate them, and those 6 checks stay silent on this front caliper. They are excludes rotor, brake fluid, brake closed system, lever makers, design rotor thickness and design rotor thickness maximum. Each is recorded as “not stated by the maker (not checked)”.

Source: the maker’s page. Last checked 2026-08-11.

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.

6 of 497 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.

Where this sits

All Tektro calipersOpen a variant in the builder to see the ones that apply to your own parts