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The "Cross Flyer EVO 1" model from the "Bulls" brand, released in 2023, offers a combination of high-quality components and modern technology at a price of 3599 EUR. The frame is made from 6061 aluminium and was manufactured using a hydroforming process, ensuring high stability and low weight. The internal cable routing contributes to a clean, tidy appearance. The maximum permissible weight is 135 kg.
Braking performance is provided by TEKTRO HD-M280 brakes, fitted with a 180 mm front brake disc and a 160 mm rear brake disc, which ensure reliable deceleration. The gear system comprises the SHIMANO Acera RD-M3020 rear derailleur and the SHIMANO Altus SL-M315 RapidFire Plus shift levers, which together offer eight gears.
The SR SUNTOUR NVX-30 fork, with 100 mm of travel, ensures comfort and control on a wide variety of terrain. For lighting, the bike is fitted with the FUXON FS-30 EB front light (30 lux LED) and the FUXON R-60 Clip rear light (LED). The pedals feature an aluminium body with a 2K plastic cage, providing a good balance of durability and lightness.
Power is transmitted via a GATES® CDN belt drive system with 128 teeth, whilst the crankset is from FSA and the cassette is a SHIMANO CS-HG400-8 (11-40T). The handlebars are STYX Sport-SL double-butted riser bars, combined with Comfort Sport grips and an MTB-S stem that is CCS Slot Mount-ready. The headset is an FSA No. 57.
The DDM-2 rims are fitted with SCHWALBE Smart Sam K-Guard 57-622 tyres, which ensure good traction. The hubs have a 6-hole pattern and are fitted with quick-release skewers. The BULLS Sportive Ergo saddle and the BULLS aluminium seatpost offer comfort even on longer rides. Mudguards from SKS Velo MTB, a Ksa 40 rear stand and a MonkeyLoad system luggage rack complete the spec.
The bike is powered by a Bosch Performance Line motor (Smart System) with 75 Nm of torque and a maximum speed of 25 km/h. The Bosch PowerTube battery (Smart System) has a capacity of 500 Wh and is charged using a Bosch standard charger (4A). The display can be combined with various options such as the Mini Remote, Kiox 300, SmartphoneGrip, Intuvia 100 or a smartphone.
Overall, the “Cross Flyer EVO 1” offers a well-designed and robust all-round package that is suitable for both everyday use and sporty outings.
| Brakes | TEKTRO HD-M280 |
| Rear brake disc | 160 mm 6-bolt |
| Frame | 6061 aluminium, hydroforming, internal cable routing |
| Drivetrain | SHIMANO Acera RD-M3020 |
| Shift levers | SHIMANO Altus SL-M315 RapidFire Plus |
| Number of gears | 8 |
| Fork | SR SUNTOUR NVX-30 |
| Fork travel (mm) | 100 |
| Crankset | FSA |
| Sprocket | SHIMANO CS-HG400-8 11-40T |
| Drive | GATES ® CDN 128T |
| Headset | FSA No. 57 |
| Handlebar | STYX Sport-SL double-butted riser bar |
| Grips | Comfort Sport |
| Stem | MTB-S, CCS Slot Mount ready |
| Saddle | BULLS Sportive Ergo |
| Seatpost | BULLS Aluminium |
| Rims | DDM-2 |
| Tires | SCHWALBE Smart Sam K-Guard 57-622 |
| Pedals | Trekking pedals with an aluminium body and a 2K plastic cage |
| Front light | FUXON FS-30 EB, 30 lux LED |
| Rear light | FUXON R-60 Clip, LED |
| Mudguards | SKS Velo MTB |
| Kickstand | Rear stand Ksa 40 |
| Rack | MonkeyLoad system luggage carrier |
| Motor manufacturer / model | Bosch Performance Line (Smart System) 25/75Nm |
| Display | Can be used with: Mini Remote, Kiox 300, SmartphoneGrip, Intuvia 100 or a smartphone |
| Battery | Bosch PowerTube (Smart System) 500 |
| Battery capacity (Wh) | 500 |
| Charger | Bosch Standard Charger 4A |