Multi-region cycling commerce, US vs EU (different rear-derailleur hanger standards, e-bike speed limits), can Magento handle?

Yes, this is exactly the case Magento Multi-Source Inventory (MSI) + multi-store-views was built for.

Cycling-specific multi-region gotchas:

• E-bike speed limits, US Class 1 e-bike (20 mph assist cutoff) is NOT legal in EU (25 km/h = 15.5 mph max). Same model SKU needs region-specific firmware. Magento: region-specific SKUs at the attribute level, source-selection routes the right SKU to the right region.
• Rear-derailleur hanger standards, SRAM UDH (Universal Derailleur Hanger) is becoming standard but most frames still ship with proprietary hangers. Magento: hanger-compatibility attribute on every replacement-hanger SKU, with a frame-lookup tool on PDP.
• Brake mount standards, flat-mount disc (road) vs post-mount (MTB) vs IS-mount (legacy). Region doesn’t matter here, but the matrix matters for parts compatibility.
• Currency + VAT, EU store view in EUR with VAT-included, US in USD tax-excluded, UK in GBP VAT-included. Different shipping (DHL EU vs FedEx US vs Royal Mail UK), different payment methods (Klarna in EU, Affirm in US, Clearpay/Klarna in UK).
• Service network, LBS network is regional. Magento dealer entity has a region attribute; PDP shows only in-region dealers.

Build cost for multi-region cycling: +$15k, $30k on top of the base build. Worth it if >20% of revenue is non-domestic.