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The "Zarena 1 27.5" model from Bulls, released in 2023, is a sturdy mountain bike that stands out for its high-quality components and attractive price of 749 EUR. The frame is made from robust 6061 aluminium, which gives the bike excellent stability and a maximum load capacity of 125 kg.
Braking performance is provided by the TEKTRO MD-M280 braking system, which is fitted with 160 mm 6-bolt brake discs at both the front and rear. Gear changes are handled by the SHIMANO Altus RD-M310 rear derailleur and the SHIMANO Tourney FD-TY500 front derailleur, which, together with the SHIMANO ST-EF500 EZ-Fire shift/brake levers, offer a total of 24 gears. This enables precise and reliable gear selection across a variety of terrains.
The SR SUNTOUR XCE-28 fork, with 100 mm of travel, provides smooth suspension and enhances riding comfort on uneven terrain. The BULLS pedals and the SHIMANO Tourney crankset with 42/34/24T chainrings, as well as the SHIMANO CS-HG200-8 cassette (12-32T), also contribute to efficient power transfer. The drivetrain is completed by the KMC Z-8.3 chain.
Further features include the STYX Riserbar handlebars, BULLS MTB grips and the STYX Ahead stem, which together ensure comfortable and controlled steering. The FSA no.11N headset ensures smooth handling of the bike. The DDM-2 rims and STYX Ace of Pace tyres (57-584) offer good traction and stability on a variety of surfaces. The hubs are fitted with a 6-hole pattern and quick-release skewers, making it easy to change the wheels.
The BULLS Sportive Comfort saddle and the STYX aluminium seatpost ensure a comfortable riding position, even on longer rides. Overall, the Zarena 1 27.5" is a well-equipped mountain bike that is ideal for beginners and advanced riders looking for a reliable and affordable bike.
| Brakes | TEKTRO MD-M280 |
| Rear brake disc | 160 mm 6-bolt |
| Frame | 6061 Aluminium |
| Drivetrain | SHIMANO Altus RD-M310 |
| Shift levers | SHIMANO ST-EF500 EZ fire gear/brake lever |
| Front derailleur | SHIMANO Tourney FD-TY500 |
| Number of gears | 24 |
| Fork | SR SUNTOUR XCE-28 |
| Fork travel (mm) | 100 |
| Crankset | SHIMANO Tourney 42/34/24T |
| Sprocket | SHIMANO CS-HG200-8, 12-32T |
| Drive | KMC, Z-8.3 |
| Headset | FSA no.11N |
| Handlebar | STYX riser bar |
| Grips | BULLS MTB |
| Stem | STYX Ahead Stem |
| Saddle | BULLS Sporty Comfort |
| Seatpost | STYX Aluminium |
| Rims | DDM-2 |
| Tires | STYX Ace of Pace 57-584 |
| Pedals | BULLS pedals |