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The "Uproc4 4.10" model from FLYER, released in 2021, is a versatile e-mountain bike that stands out for its robust build and modern technology. Priced at 4,699 EUR, it is positioned in the premium segment and offers a wide range of high-quality components. The frame of the Uproc4 4.10 is designed as a full-suspension model, ensuring excellent suspension and riding comfort, particularly on uneven terrain.
Braking performance is provided by Shimano MT420 disc brakes, which are renowned for their reliability and powerful stopping power. The Deore 10-speed derailleur enables precise gear changes and provides the rider with optimal support on varying gradients and at different speeds. The SRSuntour Aion suspension fork, with 140 mm of travel, provides additional damping and ensures a comfortable ride.
The bike is fitted with a Shimano CN-E6090 chain drive, which is highly regarded for its durability and efficiency. The Art OB-125 handlebars, with a width of 780 mm, offer stable control, whilst the Art TRS-07 bk stem provides the necessary stability. The Nobby Nic Perf 60-622 tyres are renowned for their versatility and offer good grip on a wide variety of surfaces.
The saddle is specially designed for men, and the PM dropper seatpost allows for flexible adjustment to the terrain. Although the Uproc4 4.10 does not have a headlight or a kickstand, it is fitted with an Abus Plus System battery lock, which securely protects the battery. The Panasonic GX Ultimate motor provides powerful assistance, whilst the SIB 20.1AH/36V battery ensures a sufficient range. The FLYER D0 display rounds off the technical specifications by clearly presenting all key information to the rider.
Overall, the FLYER Uproc4 4.10 is a well-equipped e-mountain bike that is particularly suited to discerning riders who value quality and performance.
| Brakes | Shimano MT420 disc brake |
| Frame | Full Suspension |
| Drivetrain | Deore 10-speed derailleur |
| Fork | SRSuntour Aion 140mm suspension fork |
| Drive | Shimano CN-E6090 chain |
| Handlebar | OB-125 handlebars, 780 mm |
| Stem | Handlebar stem, type TRS-07 bk |
| Saddle | Gents |
| Seatpost | PM dropper seatpost |
| Tires | Nobby Nic Perf 60-622 |
| Pedals | VP VPE-527 pedals |
| Front light | No headlights |
| Kickstand | No stand |
| Motor manufacturer / model | Panasonic GX Ultimate |
| Display | FLYER Display D0 |
| Battery | SIB 20.1Ah/36V battery |