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2024 Orbea

GAIN D40

An aluminum frame endurance e-bike with mid-range components and shimano tiagra hydraulic disc brakes.

Manufacturer Price

£3,299($4,425)
FrameAluminum
ForkCarbon
Wheels700c Aluminum
Drivetrain2 × 10
GroupsetTiagra
MotorMAHLE hub-drive
BatteryMAHLE 248Wh
BrakesShimano Tiagra Hydraulic Disc
Where to Buy
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Insights
Ride Feel

Based on frame geometry and build specs.

Rider Position
relaxedaggressive
Terrain
smoothrugged
GAIN D40
Other Endurance bikes
Gearing

A bike with lower gearing will be easier to ride up steep hills, while a higher top end means it will pedal faster down hills.

Lowest gear

(climbing)

39 mph

GAIN D40

39 mph

Similar Bikes

Highest gear

(descending)

Spec Level

Based on build material and quality level of the frame, fork, wheelset, groupset, suspension system, and more.

Sizing
XS

5'1" – 5'6"

SM

5'4" – 5'9"

MD

5'7" – 6'0"

LG

5'10" – 6'3"

XL

6'0" – 6'5"

🐐 Estimated

Rider Fit Notes
  • 6'6", size XL, Just right
  • 6'1", size LG, Just right
  • 6'3", size LG, Just right
Reviews

Summary

The Orbea Gain is a lightweight endurance e-road bike featuring the Mahle X20 hub drive motor for smooth, natural power delivery that enhances rather than dominates the riding experience. Its geometry is optimized for balanced handling and comfort, with clearance for wider tires and integrated lights for practicality. Overall, it offers a stealthy, high-performance ride suitable for both seasoned cyclists and newcomers seeking extended range and assistance.

Pros
  • Lightweight Mahle X20 hub drive motor with smooth power delivery

  • Extended battery range with options for internal and external batteries

  • Optimized geometry for balanced handling and comfort

  • Integrated front and rear lights for safety

  • Customizable through Orbea's MyO program

Cons
  • Heavier than some high-end e-road bikes

  • Limited tire clearance to 35mm despite claims of up to 40mm

  • Firmer rear feel due to hub motor weight

  • Higher-end builds may have a punchy price tag

Key Quotes
Orbea gives their versatile Gain road & gravel ebike a lighter and stealthy power boost with an upgrade to the Mahle X20 – the “lightest e-bike drive system on the market”
Bikerumor logoBikerumor
The Gain’s ride feel outclasses every e-road bike I’ve tested in the past
BikeRadar logoBikeRadar
It’s intended to allow you to get out and still have a decent intensity cardio workout, but without going into the red – more like you’re just having a really good day on the bike, as opposed to feeling superhuman.
Cycling Tips logoCycling Tips

Feedback?

View all reviews

BikeRadar
Orbea Gain M10i review

Aug 2023 · Warren Rossiter

Orbea’s latest premium lightweight e-road bike

Highs
  • Clever system

  • Light weight

  • Impressive range

  • Superbike build

Lows
  • Dura ace di2 build might be overkill

Read Review

Bikerumor
Orbea's Gain Carbon Road & Gravel Ebike Gains a Lightweight Mahle X20 Upgrade

Jan 2023 · Cory Benson

2023 Orbea Gain carbon ebikes get lighter, more powerful Mahle X20 upgrade, along with other refinements for better road & gravel riding...

Read Review

Cycling Tips
2023 Orbea Gain e-road bike first ride review - CyclingTips

Jan 2023 · Dave Everett

It's 2023, and Shoddy Dave's temporarily traded in his old road racing ways for Orbea's new e-road bike.

Read Review

Velo
2023 Orbea Gain e-road bike first ride review

Jan 2023 · Dave Everett

It's 2023, and Shoddy Dave's temporarily traded in his old road racing ways for Orbea's new e-road bike.

Read Review

Road Bike Action
ORBEA GAIN M20i E-ROAD BIKE TEST

May 2021 · RBA Staff

Orbea is staying true to their legacy of designing eye-catching bikes, and here they’ve created another work of art with the Gain M20i e-road bike. Orbea took many details into account when heading to the drawing board on the latest version of their e-road machine.

Read Review

Gran Fondo Magazine
The Orbea Gain M20i in review

Apr 2021 · By

Orbea send the Gain M20i into the race and, with some additional power from Ebikemotion, want to snag the win. Can an E-road bike be the best road bike of the 2021 season? And how does it perform in comparison to the other two ebikes and 12 purely muscle-powered contenders? Find out all the answers here.

Highs
  • High stability

  • Intuitive and good-natured handling

  • Light integration

  • MyO customisation

Lows
  • Comfort imbalance between front and rear

  • Sometimes unnatural power output of motor due to its lack of a torque sensor

Read Review

Geometry
Specs
Build
Frame

Orbea Gain Hydro 6061 Hydroform Aluminum 2021, ICR cable routing, Forged BB, safety screw, 135x9 QR, Flat Mount disc mount, 700x40 maximun tyre, 1" 1/2 semiintegrated head set, 41x86,5 Pressfit botton bracket.

BB StandardBB86/BB92, 86mm, Press Fit

ColorsMango (Gloss) - Black (Matt); Borealis Blue (Gloss) - Black (Matt); Metallic Silver (Matt) - Black (Gloss

Fork

Gain Hydro carbon fork, full carbon, 1-1/8" - 1.5" tappered head tube compatible, 700x40 maximun tyre, flat mount disc mount, Thru axle 12x100mm

Bottom Bracket

BB86/BB92, 86mm, press-fit

Stem

OC Road Performance RP21, -6º

Handlebar

OC Road Performance RP31, Reach 80, Drop 125

Saddle

Fizik Aliante R5

Seatpost

Alloy, 27.2mm, Setback 0, for integrated light

TypeRigid

Groupset
Rear Derailleur

Shimano Tiagra 4700 GS

Front Derailleur

Shimano Tiagra 4700

Crank

Shimano Tiagra 4700 34x50t

Shifters

Shimano Tiagra ST-4770

Cassette

Shimano Tiagra HG-500 11-32t 10-Speed

Chain

KMC X10

Brakes

Shimano Tiagra 4770 Hydraulic Disc

TypeShimano Tiagra Hydraulic Disc

Wheels
Rims

Alloy, Tubeless, 700c, 21c, 32H

Tires

Pirelli P7™ Sport 700x32c

Electric Components
Motor

Mahle motor hub X35 Plus 25kmh

Battery

Mahle 36V/6.9A 248Wh ANT+

Remote

Mahle iWoc ONE

Display

Mahle Pulsar One monochrome ANT+ LEV

Charger

Mahle X35

Accessories
Lights

Front: Front position light, on display holder, COB Led, On/Off, 60 Lumen, ECE50., Rear: Lezyne FENDER STVZO seatpost mounting 11 lumens

Rider Notes
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First added April 9

Last updated February 3

Not listed for 453 days