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The “Copperhead 3 27.5” model from Bulls, released in 2023, is a high-quality mountain bike that stands out thanks to its technical specifications and well-thought-out features. The price for this model is 1,599 EUR. The frame is made from super-lightweight 6061 aluminium, which is triple-butted and seamlessly welded. The frame also features internal cable routing, ensuring a tidy appearance and protecting the cables. The bike’s maximum load capacity is 125 kg.
The braking system utilises SHIMANO BR-MT200 disc brakes, fitted with 180 mm Centre Lock brake discs at both the front and rear. This ensures reliable braking performance in a variety of conditions. The gear system consists of an 11-speed SHIMANO Deore RD-M5100 shadow+ rear derailleur, operated by SHIMANO Deore SL-M5100 shift levers. The SHIMANO Deore FC-M5100 crankset, with a 32T chainring, and the SHIMANO Deore cassette (11-speed, 11–51T) provide a wide gear range, enabling riders to tackle both steep climbs and fast descents.
The RockShox Judy Gold RL-R fork, with 100 mm of travel, offers ample damping and comfort on challenging trails. For lighting, the bike is compatible with MonkeyLink Recharge front and rear lights, although these are not included. The BULLS MTB pedals, along with the BULLS Sport-SL double-butted riser handlebars and the BULLS MTB grips, contribute to ergonomics and control.
The stem is an MTB-SL, 3D-forged and CCS Slot Mount-ready, offering additional adjustment options. The headset is an FSA No.57SC. The bike’s rims are DDM-2, and it is fitted with SCHWALBE Racing Ralph Performance tyres in size 57-584. The hubs are SHIMANO HB-MT400 Centre Lock at the front and SHIMANO Alivio FH-RM35QR Centre Lock at the rear.
The saddle is a BULLS Sportive Ergo, which, together with the BULLS aluminium seatpost, ensures comfort on long rides. Overall, the Copperhead 3 27.5 offers a well-thought-out combination of high-quality components and robust design, ideal for ambitious mountain bikers.
| Brakes | SHIMANO BR-MT200 |
| Rear brake disc | 180 mm Centre Lock |
| Frame | Super-light 6061 aluminium, triple-butted, smooth-welded, internal cable routing |
| Drivetrain | SHIMANO Deore RD-M5100 shadow+ |
| Shift levers | SHIMANO Deore SL-M5100 |
| Number of gears | 11 |
| Fork | RockShox Judy Gold RL-R |
| Fork travel (mm) | 100 |
| Crankset | SHIMANO Deore FC-M5100 32T |
| Sprocket | SHIMANO Deore 11-speed, 11-51T |
| Drive | SHIMANO CN-HG601-11, 11-SPD |
| Headset | FSA No.57SC |
| Handlebar | BULLS Sport-SL double butted riser bar |
| Grips | BULLS MTB |
| Stem | MTB-SL, 3D forged, CCS Slot Mount ready |
| Saddle | BULLS Sportive Ergo |
| Seatpost | BULLS Aluminium |
| Rims | DDM-2 |
| Tires | SCHWALBE Racing Ralph Performance 57-584 |
| Rear hub | SHIMANO Alivio FH-RM35QR Centre Lock |
| Pedals | BULLS MTB pedals |
| Front light | MonkeyLink Recharge (lighting not included in the scope of delivery) |
| Rear light | MonkeyLink Recharge (lighting not included in the scope of delivery) |