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An in-depth look at the new Shimano EP8 motor

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An in-depth have a look at the brand new Shimano EP8 motor

By Dominic Unwin | 1 September 2020

Shimano have revealed the subsequent stage of their e-MTB evolution with the EP8 motor formally introduced to the general public on Tuesday (AEST). 

The Japanese model, so typically on the forefront of mountain biking expertise over the previous three a long time, mentioned it meant the EP8 system to set a “new benchmark in system-engineered e-bike elements that can sort out everything from premium mountain biking and competitors racing to path using, cross-country, informal MTB, trekking and off-road adventuring.” 

Along with the brand new motor and battery choices, Shimano have additionally unveiled new and improved cell apps, the E-TUBE RIDE and E-TUBE PROJECT. 


TheEP8 primarily builds on the spectacular foundations laid by its predecessor, the STEPS E8000. The brand new drive unit can generate 85 Nm (Newton-metres), that’s about 21% greater than the E8000. That mixed with a 2.6kg weight (300g much less) because of the new magnesium drive unit casing has led Shimano to proclaim the EP8 as “one of many best-in-class drive items by way of power-to-weight. 

However a rise in energy doesn’t imply a lot if the battery can’t take it. There are two choices to select from, the 630 Wh batteries (downtube BT-E8016 and inside BT-E8036) or the 504 Wh inside BT-E8035-L. Bikes resembling Merida’s e-ONE-SIXTY will utilise the previous inside. 

The 630 Wh will deal with the job however there are a raft of different modifications Shimano have made within the quest for effectivity. Drag, largely felt when pedalling with out help, has been lowered by 36% in comparison with the E8000. 


Different notable options of the EP8 embrace: 

  • Devoted cranks accessible in 160mm, 165mm, 170mm and 175mm lengths. 

  • Compatibility with mechanical shifting (9/10/11/12-spped) gear methods, Di2 (11-speed) methods and inside hub gear (11/8/7/5-speed) methods. 

  • Not a lot has modified aesthetically for the EP8’s show though there are some necessary software program enhancements. One such addition is the brand new drive unit help swap. Riders can select between Off/Eco/Path/Increase modes plus a stroll help operate. It’s additionally suitable with dropper submit levers.  

Don’t overlook to obtain 

Launching alongside the EP8 motor are two apps from Shimano, the E-TUBE PROJECT AND E-TUBE RIDE apps. 

The E-TUBE PROJECT permits riders to customize settings, replace firmware and examine for system errors. Every energy help degree (Eco, Boost and Path) may be tweaked permitting for 10 totally different ranges of help between 20-85 NmSo, whether or not you merely need extra management or are attempting to maximise battery life on these lengthy rides, you can simply regulate through the app. 

You may also make as much as two rider profiles with preferences saved. Along with being ready to change help ranges, shifting settings and help swap capabilities can even be customised. 


The E-TUBE RIDE app in the meantime tracks your journey, exhibiting pace, gear, time, distance and remaining battery. New capabilities embrace live maps and journey historical past. 

Each apps are accessible to obtain from Apple and Android shops now. 


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