Electric Bike Motor Comparison:
TQ HPR60, Shimano EP801, Bosch SX, Bosch CX-R, Bosch CX, Avinox M1 and MAHLE M40
The latest generation of e‑MTB motors covers everything from ultra‑light, natural‑feeling systems to full‑power units built for racing. Each motor has its own character, strengths and ideal rider. Below is a clear but simple breakdown of the most important systems on the market and what makes each one unique.
TQ HPR60
The TQ HPR60 is designed as the benchmark for natural, harmonious support in the lightweight e‑bike category. It is ultra‑compact, exceptionally quiet and blends almost invisibly into the frame. This motor is aimed at riders who value subtle integration and a natural ride feel over headline power figures.
Key Highlights
- 60 Nm torque
- Extremely compact and quiet
- Natural, seamless support
- Ideal for lightweight trail bikes
Best For
Riders who want the quietest, most discreet and most natural‑feeling assistance possible.
Shimano EP801
The Shimano EP801 is one of the most established motors in the e‑MTB world. It is known for smooth, finely tuned power delivery and dependable climbing performance. Features like Auto Shift and Di2 integration make it a comfortable and reliable choice for long days on the trail.
Key Highlights
- Up to 85 Nm torque
- Smooth, predictable power
- Auto Shift and Di2 compatibility
- Proven reliability
Best For
Riders who want a balanced, efficient and customisable motor with a refined trail feel.
Bosch Performance Line SX
The Bosch SX is the lightweight option in the Bosch lineup. It is designed for sporty riders who prefer higher cadences and a more subtle, less intrusive ride feel. While not the most compact motor in the light category, it benefits from the full Bosch Smart System ecosystem.
Key Highlights
- 55 Nm torque
- Lightweight and responsive
- High‑cadence support
- Full Bosch Smart System compatibility
Best For
Riders who want a lively, agile e‑MTB with a modern, lightweight Bosch setup.
Bosch Performance Line CX-R
The Bosch CX-R is the race‑focused version of the CX. It is ultra‑responsive, aggressive and built for riders who want maximum performance. Paired with the Bosch ecosystem, it offers manufacturers a wide range of batteries, displays and remotes, but the motor itself is clearly aimed at speed and competition.
Key Highlights
- 95 Nm torque
- Race‑tuned responsiveness
- Lightweight for a full‑power unit
- Designed for competitive riding
Best For
Riders who want the sharpest, most aggressive Bosch motor for racing and fast trail riding.
Bosch Performance Line CX
The Bosch CX is the classic all‑rounder and one of the most widely used full‑power motors in e‑MTBs. It may not dominate any single category, but it is a mature, well‑rounded system with strong hardware, smooth power delivery and excellent global support.
Key Highlights
- 85 to 100 Nm torque depending on version (upgradeable through a firmware update in the flow app)
- Strong, predictable assistance
- Huge ecosystem and service network
- Proven reliability
Best For
Riders who want a dependable, full‑power motor for all‑mountain and enduro riding.
Avinox M1
The Avinox M1 is a high‑tech powerhouse offering the highest peak output and torque in this group. It comes with a tightly integrated ecosystem including a touch display, app connectivity and fast charging. Avinox position it as a smart, high‑performance system that brings advanced electronics expertise into the e‑MTB world.
Key Highlights
- Up to 120 Nm torque
- High peak power output
- Integrated touch display and app
- Fast charging support
Best For
Riders who want cutting‑edge tech, huge torque and a modern, fully integrated system.
MAHLE M40
The MAHLE M40 marks the brand’s move into the full‑power mid‑drive category. Compact, punchy and tuned for sensitive support, it aims to shift MAHLE’s reputation from hub motors to a serious contender in the lightweight full‑power segment.
Key Highlights
- 90 Nm torque
- Compact for a full‑power motor
- Smooth, sensitive support
- Designed for modern full‑power e‑MTBs
Best For
Riders who want a compact full‑power motor with a refined, modern ride feel.
Motor Comparison Overview
| Motor |
Torque |
Category |
Ride Feel |
Best For |
| TQ HPR60 |
60 Nm |
Lightweight |
Ultra quiet and natural |
Riders wanting subtle, seamless support |
| Shimano EP801 |
Up to 85 Nm |
Mid weight |
Smooth and predictable |
Versatile trail riding |
| Bosch SX |
55 Nm |
Lightweight |
Sporty, high cadence |
Agile, fast trail riding |
| Bosch CX-R |
95 Nm |
Full power |
Aggressive and race tuned |
Competitive riders |
| Bosch CX |
85 to 100 Nm |
Full power |
Balanced and reliable |
All‑round e‑MTB performance |
| Avinox M1 |
Up to 120 Nm |
Full power |
Strong and tech focused |
Riders wanting maximum torque |
| MAHLE M40 |
90 Nm |
Full power |
Compact and refined |
Lightweight full‑power builds |
