Sources checked 7 October 2026 · RideIn research desk
Koolux uses short X-series and BK-series names across folding, compact and larger-wheel electric bikes. Current product pages include X2, X3, X7, X9 variants, X10, X11, X12 variants, X14, X15, X16, RK10 and BK6S models.
UK and EU labels on the catalogue do not establish British road legality. Several listed versions advertise 500W or 750W motors and assistance speeds above 25km/h. The individual reviews explain the specification, carrying weight and evidence gaps.
Koolux model reviews
Research-based assessments of the linked specifications. No ridden-test score or independently measured range is claimed.
Checks for a specific bicycle
- Identify the exact model year, frame size and regional specification on the invoice.
- Confirm the legal seller, warranty contact and model-specific parts availability.
- For an older bike, check frame condition and component standards before relying on brand reputation.
- For an e-bike, obtain the motor rating, assistance cut-off, battery and charger documentation.
Sources and identity trail
Publisher links and discovery lists serve different purposes. Directory inclusion is not an endorsement or proof of current manufacture.