BMC Fourstroke AMP
Wheel Size: 29 | Front Travel: 120mm | Rear Travel: 120mm | Drive Unit: TQ-HPR50 | Battery Size: 360Wh
The BMC Fourstroke AMP is a lightweight electric mountain bike built to amplify cross-country and downcountry trail riding. Designed around a full carbon frame and 120mm of front and rear travel, this electric XC mountain bike integrates the compact TQ-HPR50 drive unit directly into the chassis for smooth and natural pedal assistance. Paired with a fully integrated 360Wh battery, the Fourstroke AMP extends climbing range while preserving responsive handling. For riders searching for a carbon electric mountain bike that balances efficiency and trail capability, the Fourstroke AMP delivers performance with added power.
The BMC Fourstroke AMP stands out through its combination of APS dual-link suspension and progressive race geometry. With 120mm of travel and a 66.5° head angle, it provides traction and stability across technical terrain.
The BMC Fourstroke AMP electric mountain bike also emphasizes integration and versatility, offering space for two water bottles or a range extender while maintaining clean lines and balanced handling.
Don't want an electric mountain bike? Check out the BMC Fourstroke
Highlights and information
BMC Fourstroke AMP: XC Speed, Electrified
Wheel Size: 29 | Front Travel: 120mm | Rear Travel: 120mm | Drive Unit: TQ-HPR50 | Battery Size: 360Wh
The BMC Fourstroke AMP is a lightweight electric mountain bike built to amplify modern cross-country and downcountry trail riding. Designed around a full carbon frame and 120mm of front and rear suspension travel, it blends race-inspired efficiency with smooth electric assistance. Powered by the compact TQ-HPR50 drive unit, the Fourstroke AMP delivers natural pedal support while preserving the handling and responsiveness expected from a performance trail bike. For riders searching for a lightweight electric mountain bike or an electric XC mountain bike, the Fourstroke AMP offers extended climbing ability without compromising trail control.
The BMC Fourstroke AMP stands out by integrating hidden power into a progressive XC platform. The TQ-HPR50 system is seamlessly integrated into the carbon frame, maintaining balanced weight distribution and a clean profile. Combined with BMC’s Advanced Pivot System (APS) suspension, the bike delivers efficient pedaling and confident traction across varied terrain.
The BMC Fourstroke AMP electric mountain bike also emphasizes versatility. Designed to accommodate two water bottles or a range extender plus a bottle, it supports longer trail missions while maintaining the geometry and stiffness required for aggressive riding.
WHY THE BMC FOURSTROKE AMP STANDS OUT
The BMC Fourstroke AMP was developed to extend the capabilities of cross-country and downcountry riders. By combining a lightweight carbon chassis with 120mm of APS dual-link suspension and an integrated motor system, it delivers a platform capable of climbing faster and descending with confidence.
The TQ-HPR50 drive unit provides compact, quiet assistance that feels natural under power. Rather than overpowering the ride, it complements rider input, helping maintain momentum on steep or technical climbs. Its integration preserves the bike’s responsive handling and trail feel.
Suspension performance remains central to the Fourstroke AMP. BMC’s APS system is tuned for efficient pedaling and active traction, delivering full control across rough terrain while maintaining the speed required for modern trail riding.
WHO SHOULD RIDE THE FOURSTROKE AMP?
The BMC Fourstroke AMP is built for riders who want to ride farther and climb more efficiently without sacrificing the agility of a performance trail bike. Cross-country and downcountry riders tackling long singletrack loops or steep technical climbs will benefit from the smooth pedal assistance provided by the TQ-HPR50 system.
This model is ideal for riders searching for a carbon electric mountain bike, a lightweight electric trail bike, or an electric XC bike that preserves natural handling. Riders who prioritize balanced geometry, efficient suspension, and extended range will find the Fourstroke AMP delivers both performance and versatility across demanding terrain.
WHAT CONTENDER BICYCLES LIKES ABOUT THE FOURSTROKE AMP
- Lightweight electric integration: The TQ-HPR50 drive unit is compact and seamlessly integrated, preserving the bike’s balanced handling and responsive trail feel.
- Efficient APS suspension: 120mm of optimized dual-link suspension delivers strong traction and control while maintaining pedaling efficiency.
- Modern race geometry: A 66.5° head angle and long front-end provide stability on technical descents and fast trail sections.
FRAME MATERIAL
The Fourstroke AMP features a full carbon frame engineered for stiffness, durability, and efficient power transfer. The TQ-HPR50 drive unit and 360Wh battery are fully integrated into the frame, maintaining a clean aesthetic and balanced weight distribution. Internal cable routing preserves the streamlined design while protecting components from trail debris. The frame is optimized to carry two water bottles or a range extender plus a bottle, supporting longer trail rides and endurance-focused adventures.
MOTOR AND BATTERY
The Fourstroke AMP pairs the compact TQ-HPR50 drive unit with a fully integrated 360Wh battery to deliver smooth electric assistance for extended trail riding.
The TQ-HPR50 drive unit is lightweight and compact, designed to provide quiet and natural pedal assistance. Its seamless integration into the carbon frame preserves the handling characteristics of a performance mountain bike while offering meaningful support on steep climbs and long efforts.
The 360Wh integrated battery is concealed within the frame to maintain clean lines and balanced handling. Designed to support longer trail rides, the battery system enhances range while keeping the overall package lightweight. The frame layout also accommodates the use of a range extender for riders seeking additional capacity.
SUSPENSION SYSTEM
The Fourstroke AMP uses BMC’s Advanced Pivot System (APS), a dual-link suspension design developed to balance pedaling efficiency and traction. With 120mm of travel front and rear, the system provides control and stability on technical terrain while remaining efficient under power. The suspension design ensures the bike remains responsive and capable across both climbs and descents.
GEOMETRY AND FIT
The Fourstroke AMP uses progressive XC geometry tailored for aggressive riding and modern trail demands.
- Progressive race geometry: A 66.5° head angle improves stability and confidence on steep and technical terrain.
- Efficient climbing position: Balanced geometry helps maintain traction and control during steep, assisted climbs.
- Confidence at speed: A longer front-end enhances stability when descending fast singletrack.
NOT EXACTLY WHAT YOU'RE LOOKING FOR?
- BMC Fourstroke: A traditional full suspension cross-country mountain bike built for race performance without electric assistance, offering lightweight efficiency and modern XC geometry.
- Mondraker Neat: A capable electric mountain bike designed for aggressive trail riding with pedal assist support and confident handling.
- Orbea Rise SL: A lightweight electric mountain bike focused on natural ride feel and balanced trail performance with integrated motor assistance.
THE BOTTOM LINE
The BMC Fourstroke AMP blends modern cross-country geometry, efficient APS suspension, and lightweight electric integration into a capable trail platform. With 120mm of travel front and rear and the compact TQ-HPR50 drive system, it extends climbing ability while preserving responsive handling. Designed for riders who want to push deeper into the trail network, the Fourstroke AMP delivers the performance of a race-inspired mountain bike with the added support of electric assistance.
The BMC Roadmachine is a high-performance endurance road bike designed for riders who want comfort, speed, and versatility on long rides. Built to handle rough pavement, big climbs, and long days in the saddle, the Roadmachine blends endurance-focused geometry with modern carbon performance. The platform includes the premium Roadmachine 01, built from BMC’s flagship 01-grade carbon, delivering a lightweight and responsive ride while maintaining the compliance needed for endurance cycling. For riders searching for an endurance road bike or a comfortable carbon road bike, the Roadmachine delivers the balance of efficiency and stability needed to ride farther and faster.
The BMC Roadmachine stands out through its ability to combine long-distance comfort with performance-focused engineering. BMC’s Tuned Compliance Concept (TCC) Endurance design helps smooth rough pavement while preserving efficient power transfer. With tire clearance designed to accommodate larger road tires and geometry built for stability, the Roadmachine helps riders maintain confidence and control across challenging road conditions.
The BMC Roadmachine endurance road bike also introduces thoughtful integration for long-distance riding. Internal downtube storage provides space for essential ride gear, while the integrated rear light improves visibility in changing conditions. Combined with the ICS (Integrated Cockpit System) and clean cable routing, the Roadmachine delivers a streamlined endurance platform built for riders who want comfort without giving up speed.
Looking for something racier? Try the BMC Teammachine SLR.
Wheel Size: 29 | Front Travel: 120mm (R) / 110mm (01) | Rear Travel: 120mm (R) / 100mm (01)
The BMC Fourstroke is a full suspension cross-country mountain bike designed for riders who want maximum speed and efficiency on modern XC trails. Built for aggressive racing and technical terrain, the Fourstroke platform combines lightweight carbon construction with BMC’s Advanced Pivot System (APS) suspension to deliver efficient pedaling and confident handling. The lineup includes the Fourstroke 01, the longer-travel Fourstroke R 01, and the electric Fourstroke AMP, giving riders multiple ways to approach cross-country riding. For cyclists searching for a carbon XC race bike or a full suspension cross-country mountain bike, the Fourstroke provides a race-proven platform built for speed.
The BMC Fourstroke stands out through its progressive geometry and efficient suspension design. A modern 66.5° head angle and longer front-end create stability on steep descents while maintaining strong climbing performance. APS suspension improves traction and control across rough terrain while keeping the bike efficient during hard pedaling efforts.
The BMC Fourstroke cross-country mountain bike also emphasizes practical race-day features. Internal cable routing through BMC’s ICS (Integrated Cockpit System), space for two water bottles, and optimized frame stiffness help riders maintain speed during demanding race efforts and long marathon rides.
Like the Fourstroke but want some electric assitance? Check out the Fourstroke AMP.
The BMC Kaius Gen 2 is a carbon gravel race bike built for riders who want maximum speed and efficiency on mixed-surface terrain. It blends lightweight carbon construction, aerodynamic integration, and race-focused geometry to create a bike that pushes the pace on fast gravel roads and demanding race courses. The fully redesigned frame is more aero and therefore 12% faster than the previous version, while also accommodating wider tires (up to 52mm). What makes these improvements impressive is that they come with no weight penalty—the Gen 2 frame is an amazing 4% lighter.
Developed in BMC’s Impec Lab using advanced composite technology, the Kaius delivers exceptional stiffness and efficient power transfer while maintaining the compliance needed for rough surfaces. A longer reach shifts the front wheel forward to improve stability and traction on loose terrain, helping riders maintain control at high speeds. BMC’s Tuned Compliance Concept Race design smooths rough gravel roads while preserving efficient pedaling performance during long race efforts.
The BMC Kaius Gen 2 gravel race bike also emphasizes aerodynamic efficiency and integration. BMC’s ICS (Integrated Cockpit System) keeps cables cleanly routed for a streamlined front end, while the Aerocore bottle integration system reduces drag by blending bottle cages directly into the frame. Together, these features create a gravel bike built for speed when every second matters. For riders searching for a gravel race bike or a high-performance carbon gravel bike, the Kaius Gen 2 offers a platform designed to unlock speed across every surface.
If you're looking for a more adventure focused BMC gravel bike, check out the BMC URS.
The BMC URS is an adventure gravel bike designed for riders who want stability, versatility, and comfort when exploring rough gravel terrain. Built for off-grid routes, long-distance gravel rides, and bikepacking adventures, the URS blends lightweight carbon construction with stability-focused Gravel+ geometry and integrated storage features. The platform includes the premium URS 01, the suspension-equipped URS 01 LT, and the versatile URS models, giving riders multiple options depending on how far their adventures take them. For cyclists searching for an adventure gravel bike or a bikepacking gravel bike, the URS delivers the durability and capability needed to handle demanding terrain.
The BMC URS stands out through its innovative Micro Travel Technology suspension system and adventure-ready design. MTT seatstays and the ICS MTT suspension stem add compliance that helps smooth rough surfaces while maintaining efficient pedaling performance. Larger tire clearance further improves traction and comfort when riding loose gravel roads and technical terrain.
The BMC URS adventure gravel bike also focuses on practicality for long rides and remote exploration. Integrated downtube storage allows riders to carry essential gear inside the frame, while multiple cargo mounts provide space for bags and equipment during extended trips. Combined with BMC’s ICS (Integrated Cockpit System) cable routing, the URS offers a clean and capable gravel platform built for adventure.
If you're looking for a racier BMC gravel bike, check out the BMC Kaius. Or, if you're looking for some pedaling assistance, check out the BMC URS AMP.
Wheel Size: 700c | Drive Unit: TQ-HPR50 (50Nm) | Battery Size: 360Wh
The BMC Roadmachine AMP is an electric road bike designed to extend your endurance and amplify your road riding experience. Built around the proven Roadmachine 01 carbon frame, this endurance electric road bike integrates the compact and quiet TQ-HPR50 drive unit directly into the chassis for smooth, natural pedal assistance. Delivering up to 50Nm of torque and powered by a 360Wh integrated battery, the Roadmachine AMP provides the support needed for long climbs and extended rides without compromising ride feel. For riders searching for a carbon electric road bike that maintains traditional road handling, the Roadmachine AMP delivers a seamless blend of performance and assistance.
The BMC Roadmachine AMP stands out through its refined integration and endurance-focused design. The TQ-HPR50 motor system is lightweight and quiet, preserving the balanced handling of a performance road bike. BMC’s Tuned Compliance Concept Endurance technology helps smooth rough pavement while maintaining pedaling efficiency.
The BMC Roadmachine AMP electric road bike also prioritizes real-world usability with integrated rear lighting and clean cable routing through BMC’s ICS (Integrated Cockpit System). The result is a streamlined, high-performance electric road platform built for longer rides and greater range.
Dont want an electric bike? Check out the BMC Roadmachine.
Wheel Size: 29 | Front Travel: 120mm | Rear Travel: 120mm | Drive Unit: TQ-HPR50 | Battery Size: 360Wh
The BMC Fourstroke AMP is a lightweight electric mountain bike built to amplify cross-country and downcountry trail riding. Designed around a full carbon frame and 120mm of front and rear travel, this electric XC mountain bike integrates the compact TQ-HPR50 drive unit directly into the chassis for smooth and natural pedal assistance. Paired with a fully integrated 360Wh battery, the Fourstroke AMP extends climbing range while preserving responsive handling. For riders searching for a carbon electric mountain bike that balances efficiency and trail capability, the Fourstroke AMP delivers performance with added power.
The BMC Fourstroke AMP stands out through its combination of APS dual-link suspension and progressive race geometry. With 120mm of travel and a 66.5° head angle, it provides traction and stability across technical terrain.
The BMC Fourstroke AMP electric mountain bike also emphasizes integration and versatility, offering space for two water bottles or a range extender while maintaining clean lines and balanced handling.
Don't want an electric mountain bike? Check out the BMC Fourstroke
Wheel Size: 700c | Front Travel: 20mm (MTT Fork) | Rear Travel: 10mm (MTT Seatstays) | Drive Unit: TQ-HPR50 (50Nm) | Battery Size: 360Wh
The BMC URS AMP is an electric gravel bike built to unlock longer rides and tougher terrain. Designed around the proven URS adventure platform, this carbon electric gravel bike integrates the compact and ultra-quiet TQ-HPR50 drive unit directly into the frame, delivering up to 50Nm of smooth and natural pedal assistance. Paired with a fully integrated 360Wh battery, the URS AMP extends your gravel range while maintaining balanced handling and control. For riders searching for a high-performance electric gravel bike, the URS AMP offers amplified exploration without compromising ride feel.
The BMC URS AMP stands apart through its combination of electric support and Micro Travel Technology suspension. A 20mm MTT suspension fork and 10mm rear stay compliance improve traction and comfort on rough gravel roads and technical terrain.
The BMC URS AMP electric gravel bike also emphasizes real-world adventure capability with integrated cargo mounts and clean cable routing through BMC’s ICS (Integrated Cockpit System). The result is a refined, adventure-ready platform built to take you further off the map.
Not interested in an electric bike? Check out the BMC URS.
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