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The "Copperhead EVO 2 27.5" model from Bulls, released in 2023, is a versatile e-mountain bike that stands out for its balanced combination of performance and comfort. The frame is made from 6061 aluminium and was manufactured using hydroforming, which gives it high stability and a modern design. The internal cable routing ensures a tidy appearance and protects the cables from external influences. The maximum load capacity is 130 kg, guaranteeing a robust construction and high load-bearing capacity.
Braking performance is provided by SHIMANO BR-MT200 brakes with 180 mm Centre Lock rotors at both the front and rear, ensuring reliable and consistent deceleration. The drivetrain consists of an 11-speed SHIMANO Deore RD-M5100 shadow+ system, operated via SHIMANO Deore SL-M5100 shift levers. This enables precise and rapid gear changes, which are an advantage on challenging terrain.
The SR SUNTOUR XCR 32 Air LOR fork, with 120 mm of travel, offers ample damping and comfort on uneven terrain. For lighting, the bike is fitted with MonkeyLink Connect interfaces for front and rear lights, although these are not included. The BULLS MTB pedals provide a secure grip, whilst the 165 mm FSA crankset and the SHIMANO Deore 11-speed cassette (11-51T) ensure efficient power transfer.
The drivetrain is supported by a KMC E11S chain, whilst the STYX Sport-SL double-butted riser bar and Comfort Sport grips contribute to a comfortable ride. The MTB-SL stem is 3D-forged and CCS Slot Mount-ready, whilst the headset is an FSA No.57SC. The RYDE Disc 30 rims are tubeless-ready and fitted with VEE TIRE Crown Gem 66-584 tyres, ensuring good traction and stability. The hubs are Boost Centre Lock with a thru-axle at the front (O.LD. 110 mm) and a Centre Lock quick-release at the rear.
The BULLS Sportive Ergo saddle, combined with the BULLS aluminium seatpost, offers comfort even on longer rides. The bike is powered by a Bosch Performance Line CX (Smart System) motor with assistance up to 25 km/h and a torque of 85 Nm. The Bosch PowerTube battery has a capacity of 500 Wh and is charged using a Bosch Standard 4A charger. The display can be paired with various control options such as the Mini-Remote, Kiox 300, SmartphoneGrip, Intuvia 100 or a smartphone.
The Copperhead EVO 2 27.5 is priced at 3,899 EUR, making it an attractive choice for e-mountain bike enthusiasts who value quality and performance.
| Brakes | SHIMANO BR-MT200 |
| Rear brake disc | 180 mm / Centre Lock |
| Frame | 6061 aluminium, hydroforming, internal cable routing |
| Drivetrain | SHIMANO Deore RD-M5100 shadow+ |
| Shift levers | SHIMANO Deore SL-M5100 |
| Number of gears | 11 |
| Fork | SR SUNTOUR XCR 32 Air LOR, Boost |
| Fork travel (mm) | 120 |
| Crankset | FSA 165 mm |
| Sprocket | SHIMANO Deore 11-speed, 11-51T |
| Drive | KMC, E11S |
| Headset | FSA No.57SC |
| Handlebar | STYX Sport-SL double-butted riser bar |
| Grips | Comfort Sport |
| Stem | MTB-SL, 3D forged, CCS Slot Mount ready |
| Saddle | BULLS Sportive Ergo |
| Seatpost | BULLS Aluminium |
| Rims | RYDE Disc 30, tubeless ready |
| Tires | VEE TIRE Crown Gem 66-584 |
| Rear hub | Centre lock and quick release |
| Pedals | BULLS MTB pedals |
| Front light | MonkeyLink Connect (lighting not included in the scope of delivery) |
| Rear light | MonkeyLink Connect (lighting not included in the scope of delivery) |
| Motor manufacturer / model | Bosch Performance Line CX (Smart System) 25/85Nm |
| 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 |