Shimano EP800

Summary

Shimano EP800 is a high-performance mid-drive motor system introduced as the flagship power unit in Shimano’s second-generation e-bike lineup. Designed for demanding e-MTB applications, the EP800 balances strong torque delivery, compact packaging, and refined software tuning to deliver a natural-feeling pedal assist system tailored to trail, enduro, and all-mountain riding.

Key Facts

  • Introduced: 2020
  • Category: E-Bike System
  • Motor type: Mid-drive
  • Torque: 85 Nm
  • Power output: 250 W nominal, higher peak output under load
  • Weight: ~2.6 kg (5.7 lbs)
  • Also known as: EP8, EP800 Series
  • Smart connectivity: E-Tube Project app (Bluetooth-enabled customization)
  • Assist modes: Eco, Trail, Boost (fully tunable)
  • Top speed (assisted): 20 mph (Class 1 US) / 25 km/h (EU), 28 mph in select Class 3 variants
  • Used by: Pivot, Canyon, Orbea, Norco, Merida, Devinci
  • Official website: https://bike.shimano.com

Overview

Shimano’s EP800 (marketed as EP8) marked a significant leap forward in the brand’s electric mountain bike systems. Replacing the well-regarded E8000 unit, EP800 brought a new compact magnesium casing, reduced weight, improved thermal management, and enhanced motor efficiency. More importantly, it introduced a new level of customization and rider tuning that brought Shimano’s traditionally subtle assist behavior into a more competitive space alongside Bosch’s Performance Line CX and Brose-based systems like Specialized’s Turbo.

Shimano designed EP800 to be a “ride enhancer,” not a brute-force climber. It offers 85 Nm of torque, delivered through a highly refined torque sensor and software system that’s especially sensitive to cadence and pedal force. This results in a ride that feels more like a strong tailwind than a motor pulling you forward — an important distinction for experienced mountain bikers seeking a natural trail feel.

The launch of EP800 also introduced dual customizable assist profiles via the E-Tube Project app, giving riders the option to switch between two completely different tuning setups on the fly. For example, one profile might prioritize battery efficiency for long alpine days, while another might be tuned for punchy, technical climbs on a short lap.

EP800 also laid the groundwork for future drivetrain integration. While it doesn’t fully support the Free Shift and Auto Shift features of EP801, it remains compatible with Shimano’s 12-speed LinkGlide and Hyperglide+ drivetrains, as well as modular battery systems and displays.

How It Works

The EP800 motor sits low in the frame, replacing the traditional bottom bracket and crank interface with a compact mid-drive unit. This design allows the motor to drive the crank directly, utilizing the bike’s existing gearing to amplify rider input across terrain — from tight switchbacks to steep climbs.

Core Specifications

  • Torque: 85 Nm
  • Nominal power: 250 W (with peak outputs well above under high load)
  • Top assisted speed: 20 mph (US) / 25 km/h (EU); Class 3 variants support 28 mph
  • Weight: Approx. 2.6 kg — 300 g lighter than E8000
  • Construction: Magnesium alloy casing with improved thermal fins
  • Drive system: Hollow axle interface; custom Shimano e-bike crank arms
  • Mount: Frame-integrated; OEM-specific fit

Assist Modes

  • Eco – Prioritizes battery conservation, mild assistance
  • Trail – Adaptive assistance based on torque and cadence input
  • Boost – Maximum torque for technical climbing or high load
  • Each mode is fully customizable in the E-Tube app

Software & Customization

EP800’s most defining characteristic is the flexibility it gives riders via E-Tube Project mobile app. Through Bluetooth connection, users can:

  • Adjust torque output for each assist level
  • Modify acceleration responsiveness
  • Create two rider profiles that can be toggled on the trail
  • Monitor firmware updates and diagnostics
  • Pair with displays, Di2 shifters, and remote switches

Thermal Control

A key upgrade over the older E8000 unit is the improved thermal performance. The magnesium case and heat sinks efficiently dissipate heat under sustained load, reducing the likelihood of thermal throttling during long climbs or hot summer rides.

Ride Characteristics & Comparison

Shimano EP800 is often praised for its quiet operation and smooth, natural pedal feel. Unlike motors that offer aggressive initial punch, EP800 ramps up power in a more progressive manner. This makes it easier to maintain traction on loose or technical surfaces and gives experienced riders more confidence when pushing into corners or transitions.

Notable Ride Traits

  • Responsive at moderate cadences (60–90 rpm sweet spot)
  • Subtle assistance ramping in Trail mode
  • Predictable power delivery without surging
  • Quiet motor noise even under load
  • Minimal drag when unpowered or pedaling above the assist limit

Comparison Notes

  • vs. Bosch Performance Line CX: The Bosch unit delivers slightly more aggressive torque off the line, which some riders prefer for steep, technical terrain. However, EP800 feels more refined and natural under moderate load.
  • vs. Brose-based systems (e.g., Specialized 2.2): Brose units are often quieter still and slightly more powerful, but EP800 is more compact and better integrated with drivetrain options.
  • vs. Shimano E8000: The EP800 offers more torque, better thermal performance, quieter operation, and superior customization.

Notable Implementations

  • Orbea Rise M & H Series – Lightweight trail-focused e-MTBs using detuned EP800 for reduced power and longer range
  • Canyon Spectral:ON – Aggressive all-mountain platform pairing EP800 with internal 900 Wh batteries
  • Pivot Shuttle SL (2022) – Lightweight enduro platform with EP800 motor tuned for subtle assist
  • Norco Sight VLT (2021) – All-mountain e-MTB with full EP800 system and Shimano 630 Wh battery
  • Devinci EP Series – Canadian-built trail and all-mountain e-MTBs using full EP800 powertrains
  • Merida eONE-SIXTY – Long-travel enduro e-bike blending EP800 power with coil suspension setups

Related Terms

See Also on BBB

References

  • Shimano EP800 Technical Manual
  • Shimano E-Tube App Documentation
  • Orbea Rise EP800 Integration Guide
  • Pivot Shuttle SL Product Sheet
  • Norco Sight VLT Tech Overview
  • BikeRadar: EP8 Long-Term Test
  • Pinkbike Field Test: EP800 Motor Systems
  • Canyon Spectral:ON Review
  • Shimano EU & North America Product Launch Notes
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