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The “Copperhead 3S 29” model from the “Bulls” brand, released in 2023, is a high-quality mountain bike designed for discerning riders. The frame is made from super-light 6061 aluminium, which is triple-butted and seamlessly welded, ensuring high stability and low weight. The internal cable routing contributes to a clean, tidy appearance. The maximum load capacity is 125 kg, guaranteeing a robust build and versatile use.
The bike is fitted with SHIMANO BR-MT200 hydraulic disc brakes, featuring 180 mm Centre Lock brake discs at both the front and rear. This ensures reliable braking performance in a variety of conditions. The drivetrain consists of a SHIMANO Deore XT RD-M8100 shadow+ 12-speed rear derailleur, operated via the SHIMANO Deore SL-M6100 rapidfire+ shift levers. This combination enables precise and rapid gear changes.
Riding comfort is ensured by the RockShox Judy Gold RL-R suspension fork with 100 mm of travel, which effectively absorbs bumps on the terrain. The lighting system is compatible with MonkeyLink Recharge front and rear lights, although these are not included. The BULLS MTB pedals offer a secure grip and efficient power transfer.
The drivetrain is complemented by the SHIMANO FC-MT511 crankset with a 32T chainring and the SHIMANO Deore 12-speed cassette (10-51T). The chain is a SHIMANO Deore CN-M6100, which ensures smooth and long-lasting performance. The handlebars are BULLS Sport-SL double-butted riser bars, which, together with the BULLS MTB grips, ensure comfortable handling. The stem is an MTB-SL, 3D-forged and CCS Slot Mount-ready, offering additional adjustment options.
The bike features XC-21 Evo rims, which are tubeless-ready, and SCHWALBE Racing Ralph Performance tyres (57-622), which provide excellent grip and speed. The hubs are SHIMANO HB-MT410-B Centre Lock at the front and SHIMANO FH-MT401-B Centre Lock at the rear, ensuring reliable and low-maintenance performance. The saddle is a BULLS Sportive Ergo, which, in combination with the BULLS aluminium seatpost, ensures a high level of comfort even on long rides.
The price for the “Copperhead 3S 29” is 1,899 EUR, which represents good value for money given the high-quality components and well-thought-out design.
| 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 XT RD-M8100 shadow+ |
| Shift levers | SHIMANO Deore SL-M6100, rapidfire+ |
| Number of gears | 12 |
| Fork | RockShox Judy Gold RL-R |
| Fork travel (mm) | 100 |
| Crankset | SHIMANO FC-MT511 32T |
| Sprocket | SHIMANO Deore 12-speed, 10–51T |
| Drive | SHIMANO Deore CN-M6100 |
| 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 | XC-21 Evo, tubeless ready |
| Tires | SCHWALBE Racing Ralph Performance 57-622 |
| Rear hub | SHIMANO FH-MT401-B 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) |