# Rubbee X E-Bike Conversion Kit: specs and price

**Price (US):** Not published (Base unit priced at EUR 579 per the Cyclingnews spec table (plus EUR 99 per additional li-ion battery). InsideEVs quotes an approximate "$620 USD equivalent" — a currency conversion, not an official US MSRP. Rubbee prices in EUR/GBP with no published US MSRP, so priceUsd is left null (consistent with the catalog's Skarper/Pendix entries).), as of 2026-07-10.
**Brand:** Rubbee
**Deskmark:** Bronze Deskmark — pay-blind category standing 46/100, #5 of 8 in class (independent, computed from sourced data, never for sale).

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | Not published |
| Brand | Rubbee |
| Motor type | friction drive |
| Motor power | 250 |
| Voltage | — |
| Max torque | — |
| Battery included | Yes |
| Battery capacity | — |
| System weight | 6.1 |
| Wheel size compatibility | 16-29 inch |
| Sensor type | cadence |
| Max speed | 16 |
| Pedal assist levels | — |
| Display type | smartphone app |
| Install time | 10 |

## Where it stands

On the spec sheet, its motor power of 250 is the lowest of the 13, its max speed of 16 is the lowest of the 8, and its install time of 10 is the lowest of the 4.

## Frequently asked questions

**How much does the Rubbee X E-Bike Conversion Kit cost?**

The Rubbee X E-Bike Conversion Kit has no published US price as of 2026-07-10.

**What are the Rubbee X E-Bike Conversion Kit's key specs?**

Rubbee X E-Bike Conversion Kit (Rubbee): motorType friction drive, motorPower 250, batteryIncluded Yes, systemWeight 6.1, wheelSizeCompatibility 16-29 inch. Full sourced spec sheet verified 2026-07-10.

Source: https://www.cyclingnews.com/reviews/rubbee-x-e-bike-conversion-kit-review/ (cyclingnews.com, accessed 2026-07-10)
Corroboration: https://insideevs.com/news/592177/rubbee-x-electric-bike-conversion/ (accessed 2026-07-10)
Canonical: https://frontdeskreview.com/product/ebike-conversion-kits/rubbee-x/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl