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Cube Reaction Hybrid EXC 750 Trapeze Electric Hardtail Mountain Bike Green 'n' Flash Green

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Up to 12 months interest free


Perfect Ride Guarantee
If you don't love it, you can swap it, up to 30 days from purchase!* Learn more »

Free Bike Build
We'll build your bike for free when you click and collect at any 99 Bikes store.

First Free Tune-up
Every bike come with a complimentary free tune-up and safety check.

Please note that, in order to reduce production and delivery times, bike specifications are subject to change by the manufacturer without notice. Please be aware that these changes might not be reflected on product pages and images.

The Smart System
  • All components are connected via the eFlow app, allowing you to take total control of your ride.
  • Receive regular updates and new features
  • Connect your smartphone to your bike via LED remote
  • Learn more about the Smart System here.
The Smart System, Powered By Bosch

The Cube Reaction Hybrid Electric Mountain Bike has been built for the road less travelled. Combining impressive Bosch technology with Cube's proven design the Reaction Hybrid is the perfect hardtail electric mountain bike designed to make climbs easy and drops fun. Cube’s High Performance Aluminium Frame carries the Bosch PowerTube Battery which is seamlessly integrated for a balanced ride that feels as good as it looks. It's been paired with the ultimate drive unit: the 4th generation Bosch Performance CX Drive Unit which offers 85Nm for an exhilarating ride that climbs with ease so that you can make mincemeat out of the climbs and really enjoy the best parts of mountain biking; bombing down the trails. If you're after an electric mountain bike that can really do it all then the Cube Reaction Hybrid Electric Mountain Bike is a no brainer. It features the award-winning Bosch Performance CX Drive Unit so you can nail the flow through gnarly sections knowing that you'll be able to come out the otherside in the same shape as before!


This bike features e-certified components designed to withstand the additional weight involved with e-bikes. This includes forks and rims that excel in extreme conditions.

Internal Cable Routing

With internal cable routing you have the benefit of a modern clean look and the added benefit of preventing rust and fraying of your shift and brake cable being internal also means your cables are protected while in storage or being transported on the car! 

Hydraulic Disc Brakes

Disc Brakes provide you with better braking performance in all conditions unlike rim brakes which can be heavily impacted by dust and water disc brakes maintain control in all conditions. These brakes give you confidence that you'll stop when you need to and with a hydraulic system you will have greater control and have better feedback through your levers hydraulic systems aren't prone to cable stretch and self adjust as your brake pads wear down - meaning you can focus on the riding!

What is this bike used for?

The Cube Reaction Hybrid has been designed for countless hours of fun out on the trails. With the torquey Bosch Performance CX drive unit riders will find climbing easier than ever before!

Why choose this bike?

A fantastic hardtail electric mountain bike offering ultimate performance thanks to the Cube electric system. Riders will find the Reaction Hybrid ideally suited to gnarly trails and more than comfortable enough to ride from home to the trailhead! While the low step-through frame means riders are more easily able to mount and dismount than ever before!

Who is this bike designed for?

The Cube Reaction Hybrid is the perfect option for new riders and veterans alike offering more smiles per mile than you could ever imagine. It's been built to withstand a bruising day out on the trails yet comfortable enough to commute on. If you're after a one-bike garage then this is the model for you.

More Information
SKU 22CubeReactionHybridEXC750TP29greenflashgreen
Season 2022
Sizing SKUs MD: CUEBG2234263TP17, LG: CUEBG2234263TP19
Click & Collect Yes
Shipped Nationally Yes
eBike Drive System Mid Drive
Motor Brand Bosch
Motor Model Performance CX Gen 4
Motor Torque (Nm) 85 Nm
Motor/Drive Unit Bosch Drive Unit Performance CX Generation 4 (85Nm) Cruise (250Watt), Smart System
Battery Bosch PowerTube 750
Battery Brand Bosch
Battery Size (Watt-Hours) 750 W-h
Display Bosch Kiox 300
Charge Time (Hours) 8 hrs
Colour Green
Frame Material Alloy
Front Gears Single
Groupset Brand SRAM
Groupset SRAM NX Eagle
Crankset ACID E-Crank, 175mm, 38T
Chain Sram SX Eagle‚Ñ¢
Brake Type Hydraulic Disc Brake
Brakes Magura MT Thirty, Front 4-Piston/Rear 4-Piston, Hydr. Disc Brake (203/203)
Shifters Sram SX Eagle‚Ñ¢ Trigger, Single Click
Derailleur Rear Sram NX Eagle‚Ñ¢, 12-Speed
Cassette Sram PG-1210 Eagle‚Ñ¢, 11-50T
Wheel Size 29"
Tyres Schwalbe Smart Sam, Active, 2.6
Rims Rodi TRYP30, 32H, Disc, Tubeless Ready
Hubs F:Shimano HB-MT400-B, 15mm, Boost, Centerlock | R: Shimano FH-MT400-B, 12mm, Boost, Centerlock
Grips ACID React Pro
Saddle Natural Fit Sequence
Seatpost CUBE Performance Post, 30.9mm Clamp: CUBE Screwlock Semi Integrated w/ Hidden Tool, 36mm
Weight 24.2kg

Cube Reaction Sizing Chart

Rider's Height (cm)

Electric Hardtail Mountain Bike Geometry Diagram


ST Seat Tube

TT Top Tube

CS Chain Stay Length

HTA Head Tube Angle

STA Seat Tube Angle

BD Bottom Bracket Drop

HT Head Tube

FL Fork Length

R Reach

S Stack

WB Wheel Base


Wheel Size 29" 29"
Frame Size Trapeze 17" / 29 / M Trapeze 19" / 29 / L
ST Seat Tube (mm) 405.0 450.0
TT Top Tube (mm) 628.0 628.0
CS Chain Stay Length (mm) 460.0 460.0
HTA Head Tube Angle (°) 67.5 67.5
STA Seat Tube Angle (°) 74.0 74.0
HT Head Tube (mm) 122.0 122.0
R Reach (mm) 444.0 442.0
S Stack (mm) 646.0 651.0
WB Wheel Base (mm) 1196.0 1196.0

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