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The "KING BOA 27.5" model from the "Bulls" brand, released in 2024, is a robust and versatile mountain bike available for 649 EUR. It features a sturdy frame made from 6061 aluminium and has a maximum load capacity of 125 kg, making it a solid choice for a variety of riders.
The TEKTRO MD-M280 mechanical disc brakes, combined with the 160mm 6-hole brake discs at the front and rear, ensure reliable braking performance in a variety of conditions. Gear changes are handled by SHIMANO Tourney components, including the FD-TY600 front derailleur and the RD-TY300 rear derailleur, which, together with the SHIMANO ST-EF41 EZ fire plus shift levers, enable precise and smooth gear changes. In total, the rider has 21 gears at their disposal, allowing for flexible adaptation to different types of terrain.
The SR SUNTOUR XCE-28 fork, with 80 mm of travel, enhances riding comfort through effective shock absorption on uneven terrain. The bike is fitted with BULLS pedals and features a crankset with 42/34/24T gear ratios, as well as a SHIMANO MF-TZ500-7 cassette with a 14–28T range. Power is transmitted via a KMC Z7 chain.
The MTB riser handlebars and BULLS MTB grips offer ergonomic handling and control. The STYX Ahead stem and the H845CW headset contribute to the stability and precision of the steering. The bike is fitted with double-wall rims and 57-584 MTB tyres, which ensure good traction and durability. The hubs, both front and rear, are made from STYX alloy, which contributes to the bike’s overall stability.
The BULLS MTB saddle and the 30.9 mm aluminium seatpost round off the spec and offer the rider additional comfort on longer rides. Overall, the “KING BOA 27.5” is a well-balanced mountain bike that impresses with its high-quality components and solid build quality.
| Brakes | TEKTRO MD-M280 mechanical disc brake |
| Rear brake disc | TEKTRO 160mm 6-hole |
| Frame | 6061 Aluminium |
| Drivetrain | SHIMANO Tourney FD-TY600 |
| Shift levers | SHIMANO ST-EF41 EZ fire plus, shift/brake lever |
| Front derailleur | SHIMANO Tourney RD-TY300 |
| Number of gears | 21 |
| Fork | SR SUNTOUR XCE-28 |
| Fork travel (mm) | 80 |
| Crankset | 42/34/24T |
| Sprocket | SHIMANO MF-TZ500-7 14-28T |
| Drive | KMC Z7 |
| Headset | H845CW |
| Handlebar | MTB riser bar |
| Grips | BULLS MTB |
| Stem | STYX Ahead Stem |
| Saddle | BULLS MTB |
| Seatpost | 30.9 mm aluminium |
| Rims | Double Wall |
| Tires | MTB 57-584 |
| Rear hub | STYX Alloy |
| Pedals | BULLS Pedal |