Choosing between the Mith Factory, Pro and Race models shouldn’t be difficult – The price differences are considerable. But which way does the balance tip between the Race and the brand-new Race RS? The frame, motor and many components are identical on both models. The choice ultimately comes down to this question: Do you prefer riding with Fox air suspension or a Rock Shox coil shock? The suspension components on both models represent the absolute top of the range in the enduro and freeride sectors, but follow fundamentally different damping and suspension philosophies. The Fox suspension is regarded as very precise and responsive, whilst the Rock Shox combination – featuring the Zeb Ultimate fork and a steel-spring shock – is considered particularly smooth and forgiving. There’s also a slight difference in weight: the Race RS is around one kilo heavier.
Factory, Pro and Race make up the familiar Mith range; the Race RS is now an additional variant at the same price point as the Race. Both cost 9,995 euros and thus represent the ‘entry-level price range’ in the Unno range. By way of comparison: the Canadian manufacturer’s Factory model comes in at a staggering 15,095 euros, whilst the Pro model, at 12,095 euros, is also aimed at a well-heeled clientele.
In technical terms, the Race and Race RS share the carbon monocoque frame with a virtual pivot point, the Avinox M2S motor and the integrated 800 Wh battery. Both offer 170 millimetres of front suspension travel and 160 millimetres at the rear. The SRAM S1000 Eagle AXS T-Type, DT Swiss H1900 wheels, Maven Base brakes and the mechanical OneUp V3 seatpost are also featured on both spec lists.
The key difference lies in the suspension. The Race is fitted with a Fox 38 Factory fork and a Fox Float X Factory rear shock with air spring. On the Race RS, a Rock Shox Zeb Ultimate takes care of the front; at the rear, a Vivid Coil Ultimate shock with a steel spring is at work. Both forks have 170 millimetres of travel.
A steel spring isn’t automatically the better choice: the key factors are set-up, intended use and personal preference. One thing is certain: both suspension set-ups are top-of-the-range for enduro and freeride, but they have different characteristics: the Fox combination offers a defined, precise ride feel, whilst the RockShox components are considered to be more shock-absorbing and forgiving.
Visually, the RS stands out from the Race in ‘Liquid Graphite’ thanks to its exposed carbon fibre surface and red-painted suspension components. Weighing in at 22.45 kilos (manufacturer’s specification), the Race RS is also around one kilo heavier than the Race.
| Measure | S3 |
| Recommended height | 180–195 cm |
| Reach | 490 mm |
| Stack | 658 mm |
| Seat tube length | 440 mm |
| Effective top tube length | 623 mm |
| Head tube length | 145 mm |
| Effective head tube angle | 77° |
| Steering angle | 63.5° |
| Chainstay length | 450 mm |
| Wheelbase | 1,302 mm |
| Overhang height | 706 mm |

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