Easy Motion

Atom 27.5, 18″ Frame


The Easy Motion Atom 27.5 is a hard-tail electric mountain bike built for off-road excursions or quick runs around town. The Atom 27.5 has 11 gears to help you climb and hydraulic disc brakes to be certain you can control your speed with precision.

The e-Motion Atom 27.5 electric bike features 650 (27.5 inch) wheels, a powerful Brose mid-drive motor and an ultra-long range Samsung battery pack for up to 65 miles per charge.

SKU: ER267 Categories: ,

The BH E-motion Atom 27.5 is designed for cross country riding and off-road trekking. It has beefy off-road tires on 27.5″ (650B) double wall rims to improve grip on muddy or loose terrain. Easy Motion’s Atom 27.5 electric mountain bike has 11 gears to help climb any hill and hydraulic disc brakes to be certain you can control your speed with precision.

e-motion atom electric mountain bike

The new mid-drive mountain bikes from Easy Motion is amazingly responsive and has loads of climbing power. The BH EMotion Atom 27.5 is a mid-drive electric bike that uses 250W Brose motor for optimal performance.

The Brose motor unit weighs just over 7lbs; uses a belt rather than gears for virtually silent operation and provides up to 90Nm of torque. One of the quietest mid-drive electric bikes we have seen.

Backed by a FIVE year warranty, the Atom 27.5 is available in red and black.

Available in 18″ (medium) frame

The Atom 27.5 is classified as a Class 1 electric bike in the state of California. In order to comply with new electric mountain bike trail restrictions, E-Motion electric mountain bikes do not have throttles.


easy motion electric cyclery

Electric Cyclery is your source for Easy Motion replacement parts and accessories and our on-site electric bike repair shop provides full diagnostic and bike mechanic services.

Trust Electric Cyclery to keep your electric bike on the road for years to come.

Easy Motion Parts from Electric Cyclery
Check out our extensive selection of E-Motion batteries, motors, electronics and add-ons for the Neo, Evo, Nitro, Atom and Rebel electric bikes from BH Easy Motion.

Easy Motion Atom 27.5 specifications


Red / Black

Frame Size

Medium (18 inch)

Motor Power

Brose 250W Mid-drive

Motor Control

Torque Pedal Assist


36 Volt/14 Ah (504Wh)


Aluminum Alloy


Rock Shox 30 Silver TK


Shimano Deore SL-M610 10-speed Rapid Fire


11 Speed


Shimano XT


Shimano Deore


Front Brake: Shimano BRM355 hydraulic disc brakes w/ 180mm rotor Rear Brake: Shimano BRM355 hydraulic disc brakes w/ 160mm rotor

Wheel size

650b / 27.5″


Schwalbe Rapid Rob, folding, 27.5″ x 2.25″


Emotion Perform


50 lbs


Easy Motion


Five Years (Motor), Two years (Battery)

Free Shipping on all Easy Motion bikes