Early-adopting bikes with SRAM's new electric motor
This competition is now closed Rear motor
SRAM’s Eagle Powertrain has been long awaited with rumours around the new electric bike motor circulating for years.
The motor is made by Brose, a brand well-established in the market, having manufactured Specialized ebike motors since 2015.
The new Eagle Powertrain delivers 90Nm of peak torque and 680W of peak power and integrates with SRAM’s T-Type Transmission groupset, which has been praised for its ability to shift under power.
SRAM has also included smart features such as auto-shifting and coast-shifting into the system.
SRAM offers two battery sizes – 630Wh and 720Wh, as well as a 250Wh range extender.
We’ve tested SRAM’s Eagle Powertrain and were impressed by the levels of automation and natural-feeling power the motor brings.
With the new motor being released recently, only a handful of new electric mountain bikes are available with the system.
Here are all the bikes that feature SRAM’s Eagle Powertrain motor.
As well as being used by GasGas SRAM Racing riders on the UCI Electric Enduro World Cup circuit, we got a sneak peek of the GasGas ECC in prototype guise at Eurobike this year.
The ECC is GasGas’ flagship electric enduro bike, and is available in three models, starting at €7,999 for the GX Eagle AXS Transmission-specced ECC 4.
A top-of-the-range SRAM X01 Eagle AXS Transmission ECC 6 model, priced at €9,999, features suspension courtesy of a collaboration between motorbike suspension manufacturer WP Suspension and DVO.
The bike has 160mm of rear suspension with a 170mm suspension fork up front and rolls on 29in wheels.
GasGas has given the bike an up-to-date geometry, with a 64-degree head angle and 500mm reach for a size large frame.
The Repeater is Transition’s electric enduro mountain bike, featuring 170mm of rear-suspension travel, alongside a 170mm fork.
Rolling on 29in wheels, the bike features SRAM’s larger 720Wh battery integrated into the down tube.
Transition offers the bike in two build specs, starting at £10,499/$10,499 for a GX Eagle AXS Transmission, with the SRAM XO Eagle AXS Transmission-equipped bike priced at £11,999/$11,999.
The cheaper bike features a RockShox ZEB Select+ fork and Vivid Select+ rear shock, while the top-end model gets Ultimate versions of the ZEB and Vivid.
Geometry has been made more aggressive compared to the Repeater EP8, which features Shimano’s EP8 motor, with head angles slackening from 64 to 63.5 degrees.
Nukeproof has partnered with SRAM on the new Megawatt, and was the first brand to develop a test mule for the Eagle Powertrain motor.
The bike has 170mm of suspension travel front and rear, and uses SRAM’s 720Wh battery, which is stashed in the down tube.
Two models are available, with the GX AXS Eagle Transmission-equipped Nukeproof Megawatt Carbon Pro priced at £8,799.99/$9,899/€10,499.99.
A top-of-the-range Nukeproof Megawatt Carbon RS, using SRAM X0 Eagle AXS Transmission, is available for £9,999.99/$10,899/€11,999.99, and features a RockShox ZEB Ultimate fork and Vivid Ultimate rear shock.
This carbon fibre model sees a 0.5-degree slacker head angle of 63.5 degrees, compared to the aluminium bike.
The Ekano 2 CF is Propain’s first carbon fibre electric bike, sitting firmly in the e-enduro category with 170mm of rear-suspension travel combined with a 180mm fork up-front.
Propain offers the Ekano in three build specs. The Base model features SRAM’s GX AXS Eagle Transmission, and a RockShox ZEB Select+ fork and Super Deluxe Coil Select coil priced at £7,794/$7,794/€7,794.
An Ultimate build with SRAM’s X0 Eagle AXS Transmission, and a RockShox ZEB Ultimate fork and Vivid Ultimate can be had for £9,999/$9,999/€9,999.
The top-of-the-range Ekano 2 CF is priced at £11,299/$11,299/€11,299, and sees a hard-to-upgrade spec, with a Fox Factory 38 GRIP 2 fork and DHX Coil SLS rear shock.
Propain has given the Ekano 2 CF a very similar geometry to the Ekano 2 Al, with both bikes sharing a head angle of 64 degrees.
Anyone launching a new bike motor is at the mercy of bike manufacturers to design a frame around their motor mount, committing to that standard through the production of the bike.
Many bike brands will have long-standing contracts with current motor suppliers, but we can expect, considering SRAM’s influence in the industry, that as current bikes finish their production runs more brands will adopt Eagle Powertrain.
SRAM has supplied its Universal Derailleur Hanger (UDH) for many current mountain bike frames, which is necessary for its Eagle Transmission drivetrains. Therefore, it seems natural that manufacturers wanting to capitalise on the integration will choose SRAM’s Eagle Powertrain for their next bike.
Nick Clark is a digital writer for BikeRadar, focusing on all things mountain bikes. Having raced XC for most of his youth, he has a deep understanding of the sport and loves bounding around the UK to spectate at events. A mountain biker at heart, Nick helped create a community of trail builders in his local forest in North Wales. Nick also loves road cycling, where he has completed the holy trinity of spectating at all three grand tours in their host countries. Described as having a good engine in his racing days, it’s now common to see Nick wheel-sucking on club rides and sprinting for town signs. He also enjoys bike touring and has completed numerous travels on the west coast of Europe, most recently riding from Lisbon to Roscoff. Nick has built many of his bikes from the frame up and has a keen eye for technical detail. He is currently riding a YT Capra on the trails and a Focus Izalco Max for the road.
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