0
Your Profile
Your Basket 0
Your Offers 0
Continue Shopping
Checkout
To improve your shopping experience today and in the future, this site uses cookies.
Read our full Privacy Policy & Cookie information here
I Accept Cookies
The Megamo Reason CRB 05 is built to go big—carbon frame, 160mm Fox suspension, and DJI Avinox motor with 120Nm torque. With SRAM Eagle 12-speed, XT 4-piston brakes, and an 800Wh battery, it’s a tough, fast e-MTB ready for any trail challenge.
The Megamo Reason CRB 05 is built to go big—carbon frame, 160mm Fox suspension, and DJI Avinox motor with 120Nm torque. With SRAM Eagle 12-speed, XT 4-piston brakes, and an 800Wh battery, it’s a tough, fast e-MTB ready for any trail challenge.
Megamo

Megamo Reason CRB 05 Carbon Avinox E.Mountain Bike - Black

£6,999.00
Size Guide
Megamo Reason CRB 05 Carbon Avinox E.Mountain Bike - Orange Megamo Reason CRB 05 Carbon Avinox E.Mountain Bike - Blue
Pre-Order

With Pre-Order, you can purchase the latest items added to our store in advance of them arriving with us.

Your Pre-Order is prioritised (at no additional charge); meaning that as soon as the product arrives with us, we can wrap it straight back up; ready for collection via Click & Collect or despatch to you — it often never even hits the stock room shelves!

Pre-Launch

With Pre-Launch, the date when we expect to receive the product ourselves is still a little too hazy to be confident in accepting Pre-Orders.

So, instead, you can submit your email address against the item you are interested in and we will email you as soon as stock arrives on the system.

Estimated Delivery & Collection Dates

Estimated Delivery & Collection Dates are given on Pre-Order and Pre-Launch products. They are for indication purposes only and can change at any time without notice.

The dates we provide are based on indications given by our suppliers. Whenever we get updated information from our suppliers we will endeavour to update the Estimated Delivery & Collection Dates provided on product pages.

We estimate this will be ready for despatch to you or collection via Click & Collect on Undetermined

Megamo Reason CRB 05 Carbon Avinox E.Mountain Bike - Black

Season:2026

Brand:Megamo

Code:MG37005BLK

The Reason CRB 05 running Megamo's high level carbon, and a set of components ready to tackle the biggest days out as often as you like.

Designed to offer the perfect balance between reduced weight and high-level performance. Choose between the strength of aluminum or the reactive lightness of carbon. Its adjustable geometry and optimized kinematics ensure agility, control, and efficiency across all types of terrain. Thanks to DJI's Avinox system, you’ll enjoy powerful and smooth assistance, ideal for both demanding climbs and technical descents. A light, precise, and rider-adaptable e-bike.

  • DJI Avinox M1 Motor -120Nm 1000W (Boost mode) / 105Nm 1000W
  • Integrated 800 Wh LI-ION battery
  • Hi-Res Oled touch screen
  • GPS and Sim enabled security tracking
  • Reason Full Carbon frame, Boost, 160 mm wheel travel
  • Fox 36 Performance fork with 160 mm travel
  • Fox Float X Performance shock
  • Sram 90 Eagle drivetrain, 12-speed
  • Shimano XT 4-piston hydraulic disc brakes
  • Megamo SL 30 Alloy Wheel Set

The REASON is redefining the e-bike category with a high-performance frame that´s both lightweight and engineered with unbeatable kinematics. It absorbs vibrations without sacrificing responsiveness and delivers agility, control and precision at all times. Its sleek, integrated design looks just like a muscular bike - no one would guess it's electric, not even up close.

With a Flip Chip system that allows you to adjust the frame’s geometry quick and easy. Modify the head tube and rear triangle angles to suit your riding style or terrain type. One frame, four possible configurations. Maximum versatility for riders who want it all.

Responsiveness

Immediate and precise response to every movement.

Design Integration

Clean, modern design with advanced integration and standout aesthetics.

Lightness

The Reason is lighter without compromising performance, improving agility and efficiency on demanding terrain.

Technical Information

Frame

Reason Full Carbon Frame, Alloy shock extension, Full Integratted Battery, 12 x 148 Boost, Megamo ASP, Wheel travel: 160 mm

Motor

Avinox M1 Drive Unit: 1000 Watt peak Power, 120Nm Peak Torque

UI/Remote

Avinox Screen: 2-inch OLED Control Display, Avinox Wireless Controllers: Right and left sides

Connectivity

Bluetooth Smart phone App, 4G SIM enabled functions (Data Sim required)

Battery

Avinox Integrated Battery: 800Wh

Charger

Avinox Fast Charger: 12A/508W (0-80% in 1.5Hrs)

Fork

2026 Fox 36 Performance 160mm, Grip, 3 Positions, Rake: 44mm

Rear Shock

2026 Fox Float X Performance, 210x55mm, 2 Position

Headset

Acros AZX-589 ZS56 blocklock 150º

Stem

Satori New Ursa 35mm

Grips

Megamo Lock-On Grips

Handlebars

Megamo Alloy Butted 35x800 mm, 12mm Rise, 6º Back Sweep

Saddle

Fizik Terra Aidon X5

Seatpost

Megamo Dropper seat post, remote adjustment, 31,6mm, size Sml - 125mm/ size Med -150mm/ size Lrg - 170mm

Brakes

Shimano XT BR-M8220, hydraulic disc 4-Piston, Shimano RT-EM810 Rotors 203/203mm

Rear DerailleurSram Eagle 90 T-Type 12 Speed
Shift LeversSram Eagle 90 Transmision Shifter 12 Speed
CassetteSram XS-1275 Eagle 10-52T
ChainSram Eagle 90 T-Type
CranksetFSA Alloy, 165mm
ChainringsE-MTB Chainring 104BCD 34T (Min 32T/ Max 36T compatible)
WheelsMegamo SL 30, Tubeless ready Aluminium rim
Front TireMaxxis Assegai MaxxTerra 29×2.5"WT 3C EXO E-25 TLR - we can discuss tyre upgrades to your choice.
Rear TireMaxxis DHR II MaxxTerra 29×2.4"WT 3C EXO E-25 TLR - we can discuss tyre upgrades to your choice.
Inner TubesStandard, Presta Valve - We can provide tubeless set-up and tyres liners in addition.
Sizing Information
SmallMediumLarge
Flip Chip PositionLow/ HighLow/ HighLow/ High
Reach444/442mm472/470mm502/500mm
Stack Height615/617mm633/635mm651/653mm
Standover Height780mm785mm790mm
Wheelbase1232/1233mm1273/1274mm1316/1317mm
Chainstay Length449/450mm453/454mm457/458mm
Bottom Bracket Drop27/30mm27/30mm27/30mm
Bottom Bracket Height351/348mm351/348mm351/348mm
Effective Top Tube Length583/584mm616/617mm650/651mm
Head Tube Angle63.7/63.5°63.7/63.5°63.7/63.5°
Head Tube Length100mm120mm140mm
Effective Seat Tube Angle77.2/77°77.2/77°77.2/77°
Seat Tube Height400mm420mm455mm
Professional Opinion
Product Reviews
Write a review
0 As rated by 0 customers

Write a review for Megamo Reason CRB 05 Carbon Avinox E.Mountain Bike - Black

Your name
Your email address
How would you rate it?
Would you recommend this product?
Let others know your opinion
Submit Review Close
Home Mountain Biking Bikes Megamo Electric Bikes