Moustache Samedi 28 ES Brakes: Distinguish the Front and Rear Rotor Entries

Moustache Samedi 28 ES brakes use the same MT200 hydraulic-disc wording at both ends, but the rotor entries are not identical. The archived specification gives 180 mm at the front and 160 mm at the rear. Keep the axle labels attached when asking about a complete build, a used bicycle or a service requirement.

Moustache Samedi 28 ES brakes: make two complete entries

The front brake line says Shimano MT200, hydraulic disc. Its accompanying front rotor line says Shimano, 180 mm. At the rear, the brake again says Shimano MT200, hydraulic disc, while its rotor line says Shimano, 160 mm.

A note reading only “MT200, 180 mm” loses that distinction. Instead, record front brake and rotor together on one line, then rear brake and rotor on a second. This small change makes it clear which catalogue arrangement you are asking a workshop to identify.

Do not let a shared brake name hide a model difference

Xroad ES provides a useful comparison because its rear rotor is listed at 180 mm. That is a different model's rear entry, not an alternative Samedi rear specification. A shared Moustache badge or familiar Shimano brake label cannot transfer that dimension from one build to the other.

The Black glossy Samedi 28 ES model page identifies the bicycle used for this comparison. Xroad ES appears here only to explain why an enquiry should include the complete model name. It is not another configuration of that Samedi listing.

Compare the catalogue with the individual bicycle

For a used-bike discussion, ask whether either brake or rotor has changed from the original specification. Record the actual labels and the axle involved rather than assuming a previous owner's replacement still matches the archived parts list.

The source establishes named brakes and rotor diameters. It does not supply a full pad, hose, mounting-interface or adapter specification in these entries. Those details matter to a parts enquiry, so give the service provider the bicycle identity and the component information you can actually read.

This is a way to organize that enquiry, not a repair procedure or permission to enlarge a rotor. No stopping-distance test, brake adjustment sequence or component conversion is reported. For broader context, read the Moustache family overview or browse the Moustache brand topic.

FAQ: keeping the brake records clear

Are both ES rotors listed at 180 mm?

No. The cited front entry is 180 mm, while the cited rear entry is 160 mm.

Does the Xroad rear figure revise the Samedi record?

No. It belongs to a separate named model and must remain attached to that model.

Does the shared MT200 label approve a rotor change?

No. The specification comparison does not establish the other requirements for a change on the actual bicycle.

Specification sources

• Read each brake and rotor entry by axle and exact model.
• samedi 28 es manufacturer record (https://moustachebikes.com/en-UK/electric-bikes/samedi-28/samedi-28-es); HTTP capture 2026-10-24, personally reread 6 November 2026.
• xroad es manufacturer record (https://moustachebikes.com/en-UK/electric-bikes/xroad/xroad-es); HTTP capture 2026-10-24, personally reread 6 November 2026.

Photograph credits and permissions

Photograph 1

Original title: bicycle, brake, cycling, wheel, device, bike, steel, power

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Source disclaimer: The caliper picture carries an explicit Free to use CC0 designation on its original page, which also says the image is public domain with no rights reserved. That page supplies https://creativecommons.org/licenses/publicdomain/, a legacy address distinct from the canonical CC0 deed https://creativecommons.org/publicdomain/zero/1.0/ named by the saved provider explanation. Provider requests concerning unlawful or immoral use, photo/wallpaper redistribution or sale, endorsement, and automated bulk downloads are retained as requests, not restrictions added to CC0. The photographed Deore XT assembly does not identify a Moustache or establish its MT200 equipment, rotor diameter, compatibility or safety. Dates establish no bicycle model year. Warranty is disclaimed; other rights can apply.