BULLS at Eurobike Frankfurt 2025: 2026 BULLS Range RACING BIKE, E-MTB, MTB, Road and Urban BIKES
BULLS Bikes Innovations at Eurobike Frankfurt 2025: Technical Analysis and Model Details
Eurobike Frankfurt 2025 served as a pivotal showcase for BULLS Bikes, the German brand renowned for its specialization in high-performance mountain bikes and e-bikes. Their presentation highlighted BULLS' commitment to elevating technical innovation, with a particular focus on advanced suspension systems, electronic integration, and performance optimization across a wide range of cycling disciplines. This technical analysis delves into the key innovations and flagship models presented by BULLS at this year's event.
1. E-MTB Evolution: Power, Range, and Progressive Geometries
BULLS further solidified its leadership in the e-mountain bike segment, introducing models that redefine standards for power, range, and ride dynamics. The integration of motors and batteries is increasingly refined, contributing to a more natural and high-performing riding experience.
1.1. New Modular Motor and Battery Systems
BULLS' e-MTB range now features the latest generation of the Bosch Performance Line CX Gen 5 and, on specific weight and agility-oriented models, the new Bosch Performance Line SX. These motors are more discreetly integrated into the frame, offering more efficient power transmission and reduced noise. The partnership with Bosch has been strengthened to ensure optimized software integration, allowing for various customizable assistance modes via the Bosch eBike Flow app.
A significant innovation is the introduction of 800 Wh batteries on several full-suspension models, such as the new BULLS Sonic EVO AM-SL 800. These high-energy-density batteries are fully integrated into the downtube, offering ranges exceeding 200 km in e-MTB mode, a clear advantage for long excursions or multi-day adventures. Alongside these, lighter options with 625 Wh or 750 Wh batteries remain available, balancing weight and capacity.
1.2. Updated Geometries and Advanced Suspensions
E-MTB frame geometries have been further updated to improve high-speed stability and handling on technical trails. Slacker head tube angles (often around 64-65 degrees), steeper seat tube angles (77-78 degrees), and increased reach are standard on new models like the BULLS Copperhead EVO AM 4 and the BULLS Wild Core EVO RS. This translates to better control on descents and a more efficient pedaling position on climbs.
Suspension systems are a key strength. The BULLS Sonic EVO EN-SL 800, a flagship enduro model, features a Fox 38 Factory Grip2 fork with 170mm of travel and a Fox Float X2 Factory shock, offering exceptional shock absorption capability and extensive adjustability. Trail models like the BULLS Sonic EVO AM-SL 800 also benefit from high-end suspensions (e.g., RockShox Lyrik Ultimate and RockShox Super Deluxe Select+), optimized for aggressive performance and long-term comfort.
2. Innovations in Traditional Mountain Bikes (MTB)
Despite the growing focus on e-bikes, BULLS continues to invest in the development of traditional mountain bikes, offering models for cross-country, trail, and all-mountain riding.
2.1. Lightweight Frames and Selected Components
New MTB models, such as the BULLS Wild Card 29 (a full-suspension trail model), feature triple-butted 6061 aluminum alloy frames, optimized for stiffness and weight. For flagship versions, like the BULLS Black Adder RS (cross-country hardtail), a new carbon frame with improved fiber layup has been introduced to maximize power transfer and vibration absorption.
Componentry reflects the pursuit of maximum performance: Shimano XTR or SRAM XX1 Eagle AXS drivetrains for top models, 4-piston hydraulic disc brakes (e.g., Shimano XT M8120) for powerful and modulated braking, and tubeless-ready carbon wheels with smooth-rolling hubs.
2.2. Suspension Technologies and Functional Details
On full-suspension models, BULLS continues to refine its suspension systems. The "Four-Link" system has been updated to offer a more linear compression curve and better mid-stroke support, improving frame responsiveness. This is evident on the BULLS Wild Card 29, which combines a RockShox Pike Select+ fork with a RockShox Deluxe Select+ shock for a balanced riding experience across various terrains.
Details like fully internal cable routing and critical frame protection underscore BULLS' attention to durability and aesthetic cleanliness, fundamental aspects for bikes intended for intensive use.
3. Solutions for Cycle Touring and Urban Use: Comfort and Integration
BULLS' touring and city segments also saw significant updates, with a focus on versatility, comfort, and the integration of functional accessories.
3.1. E-Trekking and E-City with Advanced Integration
New e-trekking models, such as the BULLS Lacuba EVO E800, feature frames with fully integrated batteries and Bosch Performance Line CX or Smart System motors, offering smooth riding and excellent range for cycle touring. The design is clean and modern, with integrated rear racks capable of supporting loads up to 27 kg.
In the e-city segment, the BULLS Urban EVO Street stands out for its elegant design and city-specific componentry, including integrated fenders, high-brightness LED lights (e.g., Supernova Mini 2), and the option to choose between chain or belt drivetrains (e.g., Gates Carbon Drive CDX) with hub gears (e.g., Shimano Nexus 8 or Enviolo TR), which reduce maintenance and increase reliability in urban environments.
3.2. Everyday Comfort and Safety
Comfort is a priority across all touring and city models. Ergonomic saddles (e.g., Selle Royal Lookin), handlebars with various sweep and rise options, and high-volume tires with puncture protection (e.g., Schwalbe Marathon E-Plus) ensure a pleasant and safe riding experience. Lighting systems are robust and reliable, powered by dynamo hubs or the e-bike battery, ensuring visibility in all conditions.
4. Sustainability and Future Orientation
BULLS highlighted a growing commitment to sustainability, both in production and throughout the product lifecycle. The company is working to optimize production processes and select materials that reduce environmental impact.
In summary, BULLS' participation at Eurobike Frankfurt 2025 reinforced its image as an innovative brand, particularly in the e-MTB sector with models like the Sonic EVO AM-SL 800 and the Wild Core EVO RS. The focus on progressive geometries, advanced suspension systems, and technological integration demonstrates BULLS' commitment to delivering high-performance, reliable bicycles suitable for a wide variety of riders, from extreme adventures to daily city commutes.
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